W,P z W->z|Pz|z|z,P->z|Pz|z P 43 zzzzz zzz zz zzzzzzzzz zzzzzzzz zzzzzzzzz e zz zzzzzz zz zzzz zzzzzzzz zzzzzzzzzz zz zzzzzzzz zzzzzzzzz zzzzzzzzzzzz zzzzzzzzzzzz zzzzzzz zzzzzzzz zzzzzz zzzzzzzz zzzz e zzz zzzz zzzzz zzzzzzzzzzzzz zzzzz zzzzzzzzzzz e zzzzzz zzzzzzzzzzz zzzzzzzzzz z zz zzz zzzzzzz zzzzz z zzzzzzzz zzzzzzzzzzzzzz zzzzzzzzzzz K,P,G,D,B y,e K->y|By|yByy|y|y|Ky|Dy|y,P->yBy|e,G->y|y|y|y,D->e|y|y|Ky|Pyy|yBy|y,B->yDyy|y|yGy|y|y|y G 50 yyyyyyyyyyyy y y yyyyyy yyyyyyyyyy y yyyyyyyy e yyyy yy yyyy yyyy yyyyyyyyyyyyyy yyy yyyyyyyyyyyy yyyyyyyyyy yyyyyyyyy yyyyyyyyyyy y yyyy yyyy yyyyyyyyyyyyyy yyyyy yyyyyyyyy yy yyyyyyyyyyyyyy yyyyyyyyyy yyyyy yyyyyyyyy yyyyy yyyyyyyyyy e yyyyyyyyyy yyyyyyyyyyy yyyyyyyyyy yyyyyyyy yyyyy yyyyyy yyyyyyyyyyyy yyyyy yyyyyy yyyyyyyyyyyyy yyyyyyyyyyy yyyyyyyyyyyyyy y yyyyyyyyyyyyy yy e yyyyyyyyyyyy yyyyyyy C l,u C->lCu|Cu|l C 10 llu uuuulll ulullluuuu uuluuullu llllulululluul llul uululuu uluuu luluul luluullululuu Q,H,S,E i,e Q->i|Eii|i|Hi|e,H->i|i|iHi|Qi|i|i,S->Qii|i|Qi|i,E->e|Qi|e S 7 e iiiiii iiiiiiiiiii iiiiiii iiiiiiiiii iii i Q,D,K,H,N q,d,e Q->qKq|e|Dq|Hq|d,D->d|q,K->qQd|Nd|d|Nd|e|e,H->q|d|Dd|qDd|qNdq|Hq|q|d,N->q|q K 38 dqqdddddqddd dqqqdd dd ddqqqqdqddd qddddqqdqq ddqqdqdqddqqq qdd ddddd e dqdddddqdddqq e dqdqdqdddqddq qddqqddddqddqd d qdd qqdddqddddddd qq qqqdqqqq qd qddd qqqqqq ddqqddqdqdd dqqdqqqqdddqdd ddqqdqdqqd dqd qqddqqqdq qqqqqqdd dddd dqddd ddqdqqqqqddqqq qdqqqdqq dqqqqqddq dqdqddqqdddddq e ddddqqdq ddqqdqdqqqdddq q q S,I v,t,x S->v|xIv|v|v|x|v,I->Ixt|Ix|tSt|x|Sxv|Ix|x S 25 xtxxxxxxx vxtvtttxvvvtxv xtvx xxxtvvvtvvvtxx vxxtvt tttvvv vvttxvtvt xtttxxxxxt x vtttvtxvtt t xtxvxtxxv vxtxvvttxxv e xtvtx v txvvttv tvtvxtv vtvv tvtxxxxtvv vxvttv xxtvt vvxvxvxxx x e U,Y g,e U->Ug|gUgg|e|g|g,Y->Ug|Yg|g U 34 ggg ggggggggggg e gggggggggggg ggggggggggggg gggg ggggggg gggggggggggggg e gggggggg ggggggggggg gggggg gggggg gggggggg ggggggggg ggg ggggg gggg gg ggggg gggggggggggg ggggggggggggg gggggggggggg ggggggggggg gggg gggg gggggggggggggg ggggggggg gggggggggg gggggggggg gggg gggggggggggg gg ggggggg K,O,R,J h,b,o,m,e K->h|b|e|bKbm|o,O->b|h|o|Jo|Jm|h|Rm|o,R->h|o|hOoh|o,J->Jb|Km|h|Rb|Khb|e K 24 e bhmmoh momombbomhobh hhoboo mbmmbhmhhbhbo ohhmhoho omobbbboh e hoohmmmhmo bhmmhhoom moo bmhbmhmohommb mh ommbhhhohbmo hhbboobmhmmoo b bbb m ohobombhh bbmbmmobmm omhbobohho ohobbmobm b hobbbhbommob D,H,J,E o,e D->e|Joo|Hoo|e|o,H->Jo|o|o|o|Eo|o,J->Eo|o,E->Ho|Do|e D 11 ooooo o oo oooooooooo ooooooooooooo ooooooooo oooooooooo ooo ooooo e oooooooooooooo H,C f,g,e H->g|Hf|gHf|g|Hff|g|g|e,C->g|e C 35 gfggfffffff ggggfgfggffgfg fff gff fffg ggggfgfgggfff fffgffggfgfg f gggffffgff gfggggggfgg e fggff e gfffffgfggfgf fffgff gfggfg fggffffgfffg ggggg gff gggffgffggfgf g gffgggffffg ffgfgffff gg ff gggffgfff ffffgffgg fggfgf gggfggfffgf ggffffgfgfgg ffffggg ffff gffgfgggffg gfgffggggg fgggggggfff T b,w,z T->Tz|z|w T 24 b bzzwzzw wzz zbbzwzzbzbwz zwzzbz wzzzwwzwwzw wzbzbzbzbbww zwbwzzwbwz bbbzbbwwwbzw bwzwzwbzzzzwb zwwzwwbwwzw b zwzwbbbb wwb zwzbzbbbbzzw bbbbwzbzwzz zz zwzwb z wwbzzzwwwwbzwz zwbzzwbzbzzb e wzwwzwzwb wwbzwwzwbbbbb T,W,F,X,B o,s,r,z,e T->s|Tr|zXs|Fr|e,W->r|z,F->Bzr|Bzo|o|s|z,X->Fs|e|e|e|e|s,B->z|Ws|e|oXs|Tz|z X 27 szszoszrzzozzz ozo zzs zsssozs zoszszzso rzszsro zzrzozrrso zozzrszzorrr e zozzrrzzro szsszr zrss sozro orososos szos zrzsrszr osrrrsr oszsss ssrrrozzoozrsr oszzzorrsz rzzrorrssrzr rzsoorssor zosrsrrs ozossos rs ozrzos rsossrrrzsrrso M,Q o,l,f,t,e M->o|o|Mfl|Mo|l,Q->e|t|Qtl|tMl|Ml|o|lMof|e M 46 ltfff t llo ofl otttlootlftlf tflfftlfoo ltlolftl llttfoflofll ltl fftft loolttttto ttoltool ollfotflfolft olffootfotl ltlo o oottflo follotttf tft fooflo ftffftoo otlflf ofo tlllftfoft f lt otftlolfot lototfotll flf lo fllfollffo fotltllllttof ff e lltttltl ololtfflftttoo ltofoflfto e l tllftftlo ftlttoflff ltlol lf fl ttolltlo oltflll Q c Q->Qc|c|c|c|c Q 8 c cccccccccccccc e ccccccccccc c e ccc cccc G,U,P,D m,f,e G->Pff|m|m|f|Pf|m,U->Pff|Pm|Um|fDm|m|mUf|e,P->f|f|f,D->m|Pm|m|f D 39 fmmmf fffm fmmf mff m fmf fm e mmffmm fmfffmfmfmm mfmmmf ffffmmmmm f fmfmmmff mfmmfmmmf ffmfmfffmmmf mmfmffffmmf e e mfmmfmmfmf fmfmm mfmfmmfmmmm fffmfmmfmfm fffmffmm mfmmffff mffffffmfmmmm ffmmfmmmm fffmfmffmm fmm mfffm mmmfmmmmmfff mmf mmmmmfmfm fmmmmf fmmmmffff ffmffmf fmmmfffm fmfffffffmfmf fmmmf E,W,U,S,D b,a,e E->a|b|Ea|b|aWb|b,W->a|bEa|Sa|b,U->aDa|e|e|b|aSa|aUa|e,S->aDa|e|Ea|b,D->a|e D 10 aba aaabb e baaa bbabb bbaaaa aab aaaaaab e bbabbbabbabba C,P m,r,e C->Cr|m|r|e,P->Pr|Cm|Cr|Pm|e P 34 mrmmrmrrmrmmrr rr mrrmr rrmmmmrmrrrmr e rmrrmmmmrmr rmrmmrmrmmmrrm mrrmmrmrrrmm e mrmrrrmmrm rrrrrm rmmrrmmrrmm rmrr mrrrrm rmmmmrmm mmrmrmmr mmrmrrmmm rrmm mmr r mmrr e rrrmmrrrrmmm mrrmrrr mmmmrrmm rmrmmrrmrr mrrr mmrrrmmrmm mmrmrmmrrmmrrr rmrm rmrmmrmmr mmmmrr mmrrmrrmrmr e P,M,V,J,L p,d,f,c,e P->fMc|Vd|e|c,M->c|e|p|cJff|c,V->c|Lcf|dVp|e|c|c,J->Ldp|d|Ld|p|c,L->Pp|dVf|pPc|d P 54 pcpdppfccfpcp cpdc fdppffppdpcf pp ppfppfpd e cffpffcf fcc cdfpdcffdpdc pfpfdcpdcfp pdcdcpd ddccdcf pdpcc ppfffpcd ddcdppd cfpffdpp pfcdcfcpccpcfc c e ffdff cppcpcc ccffpfdfpf pcfcfcdcdd fcdpcpfp ffcccdffcpdf fpdffddf cffp fdd ccc fpfffdfpdc fpp pcccpccpp cfdfcpdpddp dpcpffd dp e cdcpdpcppdffp ccpcc cpppffcfpf dcdcpcc ffcpcd cf ffpfccpcp f ff fddf fppff pcpdpddppcd ddfddcpcdff dpcf fcppccp dppfdd pd fpppd N,T,M w,c,s,l,e N->c|l,T->w|e|Nl|s|c,M->sMl|Nc|s|w T 37 lllwlssc sslwwlllslswcs lswccclllls llwsllsll s llcwswsllscc sswwlcwlsls wcslcl slcs csclsscwllslcl swcsscwlcll wwsscw wsscsls cclsclsslw llslccs wls wslcsllwlswl sccwlslll e sscswwcwllcww wcwwslsc w wllcsscwww cclscwcsc sclcswscswl www ccscsssw cccwlwwwl wl ssslswlcssww llslwlcsws e lcwswlllwl e scwwc cwsslwsswcs c V,R m,b,e V->mRbm|e|Vm|e|m|bVm|e,R->Vm|e|b|Vm|e V 46 bbmmbmmbb mbmbmbmbmb bmmbmbbbm e e bmbm m m bbb mmbbbmbbm mmmmmm bmmmm mbbbmmbbmmbbm bmbmm mmbmmmbmmmbmbb mbmmbbbbbmb mbbbbmmbmbbbm bbbbbbmbm mmbmbbmbmm bbbmbmbmmmbmmb mb mmbbbmm bmbbbmbbm mmbmbmbbmm bmmbbmmmmbmbmm bbbbb mmmbmbb e bm bbbbmbbbmb bmbbm bbmmbbbbmmmmb mmmbbm mb bmmbb mmmbmb mmmmmbmbbbbbm mbb mmbbmm mmmmmbmm bbbmmmb mb bmmmbbbmmbmm bmbbbmm mmbbmmmbb b F,N t F->tNt|t,N->Ft|t N 30 e tttttttttt tttttttt ttttttttttt ttt tttttttt tttttttttttttt ttttt tttttttttttttt ttttttttttt tttttttttttttt ttttttttttt tttt ttttttttttttt tttttttt ttttttttttttt e tttttt tttttttt ttttttttt tttttttt ttttt tttttttttt ttttttt tttttttttttttt tttt tttttttt ttttttt tttt ttttttttttttt U,H,S,Y f,e U->Sff|f|f|e,H->e|f|Sff|f|f|fYf|f|f,S->f|fUff|e,Y->f|fHff|Hf|f|f|Sf|f|e U 24 fffff fff ffffff ffffffffffffff ffffff fffffffffffff ffffffff ffffffff ffffffffff e ffffffff ff ffffffffffffff fffffffffffff e fff ffffff ffffffffff ffffff fff ffffff fffffffffff ff ff K,N h,e K->Nh|hNh|Nh|h,N->Nhh|h|Nhh|hKh|Nhh|e|Nh|e N 33 hhhhhhh hhhhhhhhhhhhhh hh h hhhhhhhhhhhhhh hhhhhhhhhhhhh hhhhhhhhhhhhhh hhhhhhh hhhhhhhhhhhhhh h hhhhhhhhhhhhhh hhhhhhhh e hhhhhhhhh hh hhhhhhhhhhhhh hhh hhhhhhhhhhh hhhhhh hhhh hhh hhhhhhhhh hhhhhhhhh hhhhhhhhhhhh hhhhhhhhhhh hhhhh hhhhhhhhhhhhhh hhhhhhhhhhhhh h hhhhhhhhhhh h hhhhhhhh e F,A,L,K,D q,e F->qFqq|q|q,A->Kqq|Dq|q|Dq|q|q,L->Dq|Lq|q,K->qLq|e,D->Aq|qKq|Dq|q L 11 qqqqqqqq qqqqqqqqqqqq qqqqqqqqqqq qqqqqqqqq qqqqqqqqqqqqq qqqqqqqqqqqqqq q qqqqqqqqqqqqq e qqqq qq K,H q,t,e K->Kq|qKt|e|t,H->e|t|e|tKt|e|Kt|q H 6 ttqqttttttt e qqtqtqtttt e tt tttt E w,j,g,e E->e|Eww|e E 11 jjgggwg gjwgwgjw wwwgwjjwjgw gg wwg wwgjj jjwwwjwwww gwjgwgg jjwgjj gjjwgggjggjw e J,V,O,A,E a,n,e J->An|n,V->Ea|nVnn|On|n|nVn|n,O->Oa|n|n|Enn|n|Vn|n|a,A->nAnn|e|a,E->On|a|n|a|e A 12 nna annnaan nnnaan annnnnnaana nnannana annaannan a anaan nannaanaannana nnnannnan n ana T,D u,o,k,e T->o|Du|oTou|o,D->o|k|o|Do|To|Dk|oTu|e D 42 ououkkok kuukkkkuk ooko kookkkkou ukuu ukoukuuoukuo kku uouok kkukuuokuoouuo ooouok kkuoukoukko uokkokuuukkouk ukuouuoouuokuk ukuuukoukuukuk e ukkouuo okuuooko ou kukoouoo uuuku okou uoukuooooku ukkk u ooo kouo oououu uk ok oooo kuukuokkkkokok e ukoooukuuo uokkkkku uukkkookuouku uouk kuuouukkuoook uko ukuouuo ooooouook uououkkouukku e E,J,G,R m,x,c,e E->m|e|x|Jc|Jx|m,J->Jx|e|e|Jm|x|x,G->x|Ex|x|Gx|x,R->c|Em|m|Rx|c|Gm|e J 17 ccccmxmmmmcxx mmxmxxxxxcc xxxxxmm xmmmcxxxx mmxxm xxxmxxxcx xxxmxx cxxcmxx xxxmmcxxcxxc xmcmx xxxcxmmcmx cmmcxcxccmmxc xcx xmmx xmmmxcxcmxxcmm cmxx e C,S,D,E,F p,e C->Dp|p|Cpp|Fp|p,S->p|p|p,D->e|p,E->e|p|p|Dpp|pEpp|p|Fp|p,F->Dp|p F 11 p ppp e pppppppppppp pppppppppppp ppppppppp e p pppp e pppppppp Y,H,B,Z l,m,e Y->l|Bm|Zm|Bm|l,H->e|e|l,B->Yl|l|Ym|e,Z->Hll|m|l|l|Yl|l|e H 21 mmlmlmmmmmmm m mlmllmmmlmmm lmmlmmmmmmmlml lmlm mmll e mlmll lmmllmmlmm mlllllm mmmllmmlmmlmlm mllmlmmmmmm lllm llmmlllllmmml mllmmmllllml llmmlmlmmllmlm lllll lmmlm lllmmml mmll mmmmlmm C,M,L r,w,f,e C->e|r|w,M->Cr|Lf|Mr|rLr|wCr|f,L->r|f|Cw|f|Cw|f M 6 rwwrwrrfffrrrw rfrrfwrfwfrw frwrrwr wfrwrfrrwfw rfrf wwfwffw K,S,B,H i,m,h,l,e K->h|Hm|Bh|iSl|l|Sm|l|e,S->Hml|Hi|e,B->h|Ki|m,H->h|i H 39 mih mihlm iil ih illlhhhmihlli hhmmhihilhllm l lhhhl hlmmhmlhii mhmllimihmmiil h imlhihm mhmmhh ill e imhhilmll hlllh mlmmlmlmml lhiilli imllmllimhl ih lhmmill e lmmmhhll ii lhlmhhiiiil lliiiimmlhmhml hlm mliihmh ihhlilmmhlh himh mmmlhimlllm immmmlmlihm hilmlmlillhli himmmhm e hilmmhii ilmimhhml mliihlmh R,L,Y,J h,n,e R->Jhn|hYh|nRh|hYh|hLh|n,L->Yhn|nJn|Yh|Yn|Rhh|n|n,Y->Yh|Jnn|h|h,J->Jh|n|nYn|h|Ln|hLn|n J 31 h nnhhhhhn nhnhhhhnh e hhnnnhnn nn nnnnhhnnnhnhnn nhnhnhnhhnhn hnnhhhhhh nnhnnnhhhhh hhhnhnhnnnh nhnhhhhhhhnhnh hnhnhnnhhh e hhnhnnnnn hhnnhnnnhnhnn hnnhnnhnnnnn hhhnnh nnnnhhh hnhhnnhn nhhhn hnn nnhhnnhh nhhh nnhnn hnhnnhhnhh hhhhn hhnnnhhhhnhh nnhhhh hhhhhnhnnhnh hnnhh M,Z,G q,e M->e|Mq|q|e|e,Z->e|qZqq|e|q,G->q|q|q Z 33 qqqqq qqqqqqqqqqq qqqqqqqqqqqqq qqq qqqqqqqqqqqq qqqqqqqqqqqq qqqq qqqqqqqqqqq qqqqqqqqq qqqq qqqqqqqqqq qqqqqqqqqqq q qqqq qqqqqqqqqqqq qqq qq qqqqqqqqqq q q qqqqqq qqqqqqqq qqqqqqq qqqqqqqqqqq qqqqqqq qqqqqqqqqqq qq qqqqqq q qqqqqqqqqqqqq qqqqqqq qqqqqqq qqqq S,J c,g,n,e S->n|e|e|g|c,J->c|Sg|Sg|g|c S 14 ccncccccccg ngg cgngncccccccg nngccgcc nncngcgcggcn e e cc cncnnccggcgg gcncggg cccnccccg nncccn cngcccccnc gncgggcc I b,d,m,e I->e|e I 15 ddmdd dddddddddbdddb mbdddbmdb ddddbd e bbdmdmb bdmdmbd dmdmddbddd dmbmddbm bddmbmdmmbdbd bmdb d mm e d P,W,M,B n,i,h,e P->Mnn|e|Wn|Mhn|e|e|i|n,W->hMni|Bh|Pi|i|h|Mh|i|e,M->Pin|Pi|e,B->i|Bii|Bhi|h|i|n M 47 hh nihinhihiiiin ihi ihniihn iiihiihii innihnnn hnihnniiinnhhi ii nihi nh iinhinihhnnhih nihiin e iiiihiih e e ni hn e inhininnin ii inhhhhnhi hiihnhiiii hiihinihiiihnh nnni nnnniiinhh nhhnhi iniiiihiiii hiiinnhihn n hiinhiiii hhinihiiiihn hhhiiiniiiihni hiini h hhnni e iin ii ihi n nhhiihhn nihiiiiii n ihhihiiiih nniiiiiinhi inhhiihn M y,j,n,e M->jMn|y|Mn|My|y|e|j M 51 jn yyyny yynnynny e jjjjyyyyyyjyyj yyyyy nnyyjjnjynnyyy yjyjyyynyyy yjny yyyyyyj jyyjnnynyyjyn yjjynyyy jjjyyyynyj yjnjynyyy ny yjyjyyyy jyyyny yyyyjyyynjn ynnynyynnjy yyynyynn nyynjjnj yyy jyyjyyyjn yy nynyynjjyy yjyyn yyy yynyyy e n jyjjn yjjj yyny e nnnyynynnj yjyyyjjnnyy nnyjyyy jjjyjyn nynyyynjyjny jn yyyjyjy yynnjyyjnyy jjnjyj ynjj nnn jnjyy yjjnjjnnyjny jnjyyynyyjnyy ynyyyjn j jyy G,M,J,S s,l,c,v,e G->e|c|e,M->Sv|c|Gv|Mc|v|Gs|e,J->c|c,S->Gc|s|e|s|l M 54 vcslcvlcv lssv sssvsvclc lvccv clvvvvvl scvss llvvlsslcc ssscs ssvlvcvsv sclvllslclcv vssscsscss slv vssvclssl cvclcssslcsvl ssslsvllsll lcl lvlvlss lcccsvlclcv ccvsscc cvscvvccsc ccssvsvscss vv cclvvlvscclss vlsvvscvvllc lvvll cs e llv slccllssc vvcv vslll l slsvclvs lvsvlcvc cvc vvllssvsvlslv e lvcsscv e lvcsllsllsl cvcscclcsvc slvslcvlsc lss vslsvl e svslllcssllv vsvs vvvsscvv c vv e svll ccsccvvlv lclsll M,K h,a,e M->h|Ma|a|h|Mh|h,K->e|e M 7 hah hhahhahahh a a a hhhhahhh hahh Y,U,F,G s,x,e Y->x|x|s|x|s|Yx|Yx|x,U->Us|Gx|Gx|s|s,F->Gs|Gx|s,G->Fs|s|Yx|s|e|s|x F 9 e ssxx xxxxxsx xx sxxsss xxxxssssxsx xxxxss sxsssxssxs xxs K,X,T,R a,t,e K->t|t|t|a|a,X->Xa|t|Ra|Kt|Ta|Xa|Ttt|t,T->Rt|a|t|a,R->t|e R 25 atttaaattaa taa ataatatata attt ttaattaatt taaaaaaaat aa taaaaat tata taaaatttttaatt aaat tttatataa a aatt tat aat aaattta ataatt ttataaatttaatt attaaat taa e e attatataattaa aatattaaaataa C,Z d,p,e C->Cdd|d|e,Z->p|dCd|e Z 35 d pdpd pdpdppdpd dppp pdpddpppdddd e pd dpdpdpdpp pddddppd d ddddddpd e dppppppp pppdppd pp dddpd dpddppdpdp ddd pdddpdd pdpddpddpdd ppdpdpdddddppp ppppppppd pdpdppdp dppdpdddp dddppppdd pdpdp ppppddpdp dd e e pppppdd dppdppdppdpd pd dddpdpdddppdpd dddpdddddddpdd O,F,I a,i,k,e O->aOi|i|i|k|Fkk|a,F->i|kFk|a|e|k,I->k|aFi|a|i|Fa|i O 54 kaikiakiakaii kiaaiaa kkii aaak aa e kaikakiaak kakakaaiiia aiiaaaa aa iika kikaaikiiiia ikkk ik e e e kaiaikkk ikiiakkkkaak akkkakkiaakaik aaikkkki kaaaikikkiaia kkiakiik akakiiaaikik kaaaaakai kakkakikik ikkiiiiika ak aakkia akkaik iiaiaiik iai kkkia ka iikkkakaiiaai kai k iiaiiik aiiaaiiaaaaai aiiiikaikkaaa aiki i akiiiikaiaaik kiaiaaaaiiaii aikkka akiiikkkiaaa ia aaakk ka akkkkkiaaiai e aa ikk e S v,s,z,n,e S->Sn|Sn|nSvs|Sz|e S 7 vznssvvn nvvsz nzvsnsnszvsz nzvzvnzz nnn vnsnvsnvsnvn znzsnss R,E x,i,w,e R->w|iRx|iRw|wRi|x,E->Ei|i|xRx|iRx|wEwx|x E 6 iixix xixxi x wwwwixxxxxxi xxixixwwxw iwxwxxww Z,O,R,J t,e Z->Rtt|t|Rt|t|t|t|t,O->Ott|t|Ot|t|t|e,R->e|e|t|Rt|tOt|Ott|e,J->t|Zt|e|Rt|Ot|t|t R 6 ttttttttt t tttttttt e ttttt tttttt I,X z,s,u,e I->u|Xz|s,X->u|Iz|s|u|Is|s X 9 zszuuszuzuuss usszusszuzsuu s uzsssszs e suzsuzz sszu suusszzzss u J y,g,r,n,e J->Jr|y J 45 ngyrrrnrnn nnrygygyrnnrn nnnggnyyrynn grrrrrrrrryyr gyyrrrrrnrnn rygrrg rrynryyg yrnrgnnn e nrggrnrrrnny ygnygngrnr yngrrgnnnnyn gyrrnnnn nrnrgngynnrgyr ygr e rrrryryyggg ryrrrnyrngrrn gnrrgryrngnyrr gynygygynnryr gygyrryrgnrg gyggyrnyy yyyg n e ngrnrryygy gygrgrrrrrrgyg nrnyrn g ygnyygyrnrngy rnyy rynyyyry e n ryryrrnrnn yrggrgnrryy e ryy nygyyryrnyry e yrgg gnggngynngyng ryygygggyggrn y e J c,e J->c|c|cJc|c|e|c J 53 ccc cccccccc ccc cccc cc cccccccccccc c ccccccccccccc ccccc ccccccccc cccccccc ccccc ccccccccccc c c cc cccccccccccc cccccccccccc cccccccccc cccccc cccccccccc cccccccccccc cccccccccc cccccccccccccc ccc cccccccccc ccccc e ccccc c cccccccccccccc cccccccccccc ccccccccc cccccccccc cccccccc ccccccccccc cccccccccc cccccccccccc cccccccccccccc cccccccccc e cc cccccccccccc ccccccccc cccccccccccc e c ccccccccc ccccccccccc c ccccccccc ccc cccccccc B,P,Z,M a,e B->Za|a|a,P->Ba|e|a|e|a|a,Z->aPa|Za|Ma|a|a|Ma|e|e,M->e|e M 13 aaaaaaaaaa e aaaaaaa aaaaaaaaaaaaaa aaaaaaaaaa aaaa aaaaaaaaaaa aaaaaaaaaaaaaa aaaaaaaaaaaaa aaaaaaaaaaaa aaa e aaaaaaaaa U,C f,a,y,t,e U->f|t|f|e|Cy|aUy|f,C->Ut|t|e U 38 yytytaaffaaatf fttttat attafff yyyfyftttyf e ttttaaytyfa e atyafaatyaaaff fffytfaayfytta af ttffayyfaaf ffayytffatttty ttatf tatayty tfyty fa ftfytyyfa afttt ftyfy e tfattfytt tfyyfayyyft fty tyyaffytyaf yfftfyaafatyta aaaaatyftftyt a atty tytyffttftt ayyfyytyyff at tatfatfaa yttft ytty e tayttyf a tt R,K,O,C,F g,i,m,c,e R->Kii|e|Fmm|g|e,K->Fm|e,O->m|m|e|g|g|i|e,C->g|iCi|c,F->Ogg|e|i|e|c K 8 e gicggiimcggicm cmgigggccmc imcig gimm ggcc gmgg iimicmiiig X,H s,e X->e|s|e|Xs|sXss|s,H->s|e|Hss|s H 19 e sssss sss ss ssssssssssss s ss e ssssssssssssss ssssssssss sssssssssssss ssssssssssssss sssssssssss ssssssssssssss sssssssssss ssss sssssssssss sssssss e H,Q,L,R k,x,p,e H->Qx|p|e|Qkk|Rp|p,Q->Hx|Rx|k|p|e|kQxx|p|x,L->Lx|x,R->e|p|kRk|e H 40 pppkpkx xkppxpkkpppkpk pkp pk kkpkppkpxkxk xxxk xp xx pkkp kxkpxkkx ppxxpxpx xkkppxkxpkk k pxkkpxpkx kkkxk pxkkpp kkkxxkx kkpkkppxkxxxpk e pkpxkxkx pxxpxxkkpxkxx xpppkp kkxxxxp xxxxppkxkpk xxp xxkkx kkxkkkpkpxpkkp ppxxpkpxkx xkxxpxpxpkkxpk pkkpkp e p pkxkxkkpp e kpxpkkx xxkpp kkkxxkkx pkpkpkxkxx xpkxxpppxppp xkxx Z,R,T,L,W b,m,p,e Z->m|b|Rm|Rp|b|e|Zmb|e,R->Zpb|m,T->Zb|Tb|p|m,L->Lbp|Lb|m|b|p|Wbp|p,W->b|p|m|m|e|e|m T 7 bmmbpmbmbp pppmmbpm pbbm mpmpmmpbbm mbpmpb bppppmmm bppmbpmmpmbbpp B,H,D,S,L l,a,z,y,e B->yDl|l|l|a|Ll|y,H->l|ySy|a|zDll|l|zLz|e|l,D->e|y,S->Ll|y,L->lDaz|Llz|a|e|La|l S 52 lyzyyazaazy lzayyzlylzyzl alyzlallay lalzayzz lzyzlzlzlaazy lllllazlza ylla ylzya yl lz laaa aaylaalyzaly zalzyyyzy layz z zylzylzy lyazylylzyly alyalaaaazl a llazyayyyy e alazlaylazy a lzaazlayzyyz azaylazzyaya yzzyyyal zzazzayylazl yyyzzzazyallla layl zyzla lyayla zl lyalylzlyylay ylzaza zya la ayzallal aylyzll zyllzlzyzy yzzyayaz l a l yz yzzzlyl yzy llaallay laly lylyzzyall yayylyyzyy z zzyazzllzlaaz Z,U x,m,c,e Z->Zmx|x|m,U->Zm|Um|c|e|Zc|e|m Z 10 mmmcxcmcx e mxcmxcmcxmm e ccxxcc mcx mcm cccmxmmmmxxc cmmxccxcc xx W,J,T,S g,d,h,e W->dTg|e|g|d|Thg|Sh|h|h,J->Shh|e|e,T->Wd|Tdh|dTh|g,S->gWh|dTg|Sd|g|gWd|h|e J 19 hghgdhggdh d e ghghhggdhdgg gghghgdhhhgd dhdhd hhdhghhghhdgdh dd hdddddghghgghd e hddhhhhdhhh ghd dgggghdh ddggdgggd h hhdhddh gghdhhdg dhh dhdghghdghh B,L,G,K,Q k,g,f,e B->k|kBfg|k|Lgk|Qg|fQff|g,L->Qf|k|k,G->gBg|e,K->Kk|Bf|fQg|g|k|g|Bf|e,Q->Kk|Qg|f|f|Kk|Kg|e K 29 kgkkfff kgg fgkgffffgkkkgk ffgfkgfkkf gf kfkgkkkf kgfggf gkkkkf kkggfkgg kkfkk fffkggfgfkfgfg gkk fffggkg kkfgfk gfffg gfggkffkkfggk gkkkfkkfk e f e kgk ggkkffkf f fgggggffggg fkfgf fgkffggfk gggkfgfgfg fkgkfgkfkkkff fggfkkkkgk L c,e L->Lc|c L 48 cccccccccc cccccccccccc ccccc ccccc ccccccccccccc cccccccc cccccccccccccc cccccccc ccccccccccccc cc ccccccccccc cccccccccc cccccccccc ccccc cccc cccccc ccccccc ccccccccc ccccccccccc e cccc cccccccccc cccc e ccccccccc ccc cccc cccccc c cccccccccccccc e cccc cccccccc ccccccccc cccccccccccccc ccccccccccccc ccccc cccccccccccc cccccccccccccc cccccccccccccc ccc ccccc ccccccccccccc cccccccccccccc cccc ccccccccc ccc cccccccccc R,G c,s,e R->s|e,G->Gs|Gs|e|c R 35 scssssccsccsc sscsccssscc ccsscssscsc ss e ssscscsss e ccscc ssscccscccscss cccssccccc cscssscsscccc c e sccccscscs cscccssss sccssscsssc sccc s sc s e c cccccccccs scss scscssccsscsss sccc sssssscss ccc cssss e cssc cc sscsccsccccc csscsscccccssc cssc Y x,h,w,e Y->Yw|e|wYw|Yh|e Y 29 hwhxwwhwwxhh wxxwwhwhxxwhx wxwxhw wxwwxh xxhwh h xxhhhwxh e e hwwwhwxxxwwwh hhwxxwhxxww xxhh hwx hxxxh hwwwwhhxhwxww hxhwx xhwwhxhhwx xx hxxwhxx xhxwhwxw wwhhhwxhwxw hwhhw hw xxhhwxhxhhxwx xhwxhx hxhwhw hxhxhxxxhxwhx wwwwxwhxw hxw I u,e I->uIu|Iu|Iu|uIuu|Iu|u|u I 35 uuu uuuuuuuuuuu uuuuuuuuuuu e uuuuu uuuuuuuuuuuu uuuuuuuu e uuuuuu uuuuu uuuuuuuuuuuu uuuu uuuuuu uuuuuuuuuuuuuu uuuuuuuuuuu uuuuuu uuuuuu uuuuuuuuuuuuu uuuuuuu uuu uuuuuuu uuuuu uuu uuuuuuuuuuu uuu uuuuuuu uuuuu uuuuuuuuu u uu u uuuuuuuuuuuuu uuuuuuu uuuuuuuuuuuuu uuu S,K,G,M l,k,m,n,e S->e|l|n|n|n,K->e|k|k|n|n,G->n|Sn|m|e|nSlk|Mlk|Gmm|e,M->k|Gl|Kn|Klk|n|Km|Sk|l S 50 nklnkkmnmlmm lmklnnnnknnnkl nmnnkln lmnnmkll kmknklnnmknnl mllklmlkkkkmmn llmkll llmnl knmnmkmmml kl lnnnm mkn mnmnnlnkm lmklkmknkllnkl nknkkkklmkll knmnllklllmmk lnnlnklkm mlmnnllnmkkmn mnmnklnmnlk nml nmnnknk lklkllnnnknmkl nlnmlnnlknn kmnmm nl ln mmlnnlllmmkknl nlk mmllkl mkllmlkklkkl lnlm mnmllkmln mmm lknllmmllllnmm klkmnknlkkknn knml nklmln e e l kknnllnknnl lmllmlknknl nnkklmkmkmmknk mmkmknnn nlnnmlmklnmkkn nk kmnmmkmnk mkmkmlnnmmlkm nlnmkl kkn I,Q,N,V l,w,e I->lIlw|Ql|l|Qw|Nl|wQw|Iw|e,Q->l|l|Vw|e,N->wNw|e|e,V->e|l|Vw|lNl|e|l|e Q 53 lllwlwlww lllwwwllwwwlwl lwwww ww llllwlwlwwlw wll wwwwwwww wl wwlw wwwlwwwllwlwlw l lwlllll ll wwwwwlww lwwlw llwwlwl lwwlllwwlll lwlwllllww lwllwwwwllwlll wwwllllwllll lllwwwwwwwww e ww wlwlllwl wlwllwwwlwl ll llwlwwwlwllwll wwlwww lwwlwllwll lw ww lwl wwlwwlwwlw wwllww wllwwwwlw lwwwwlllllll llw wllllw ww lllllwlll lwlwwlllllw wll wlwllw l lwllllwl lllwwwlwwlwl lllllwl wlwllw wwllwwlwlw wwwlwl wlwwwwllwlwllw llwwlwwlwwwwlw lwllllllwlwl O,W,S p,d,m,e O->e|m|e,W->Wm|Spp|p,S->d|m S 8 dmmdmddm dddp pp pddddmddm p dmppp dmmdmmpddmpmp mpp T,R c,x,e T->Rcx|e|x|x|x|xRcx|Rcc|x,R->Rx|Rc|c|xTxx|Tc|c R 40 ccxcc cccxxccxxxxxxx xxcccxxxccx ccccxxx xxxxxcxcc xx x cccccxxccxxxx xccxx cccccxcxxcxx ccxxx cxccxcc ccxxcxxx cxccxxxcccx xccxxxxxcxcccc xxxccccxcccc cx e xxxxccxxxcxx xxxcxxxxx ccccxc xxcccccccx xxccxxxxx xcxxcccxcccccx cxccxxcxcxccc cxccxccxxx ccxxc cx xxxxxxxcc cxxcccx ccxxxc xccxcxccxcxccx xx xxcxcxxccccxx cx xxccxxxcxccxx xxc xxxxxxcxxccxx xxcccxxccc xcxxcccxxcxxx H,I,Z,U z,y,e H->z|y|y|Iy|Iyy|z,I->Zyy|y|y,Z->z|z|z|Hzy|yZz|z,U->y|y|Iz|y I 33 zyzzzyy yzyyyzyyzzyy yz zyyzzzzzzyzyy yyyyyzyzzyzyzy zyyzzzyzzz zyzzzzzzyzy yzyzy yzyyzzyzzzz zyzyzzyzzyy yzyyzyyzzyyzz zyy zzyzzyzzzzzz zzyyzyzyyzz zzyyyzzyyzyyz yyzyzz yy z yzyzzzzzzzyyyy yzyzzzyz yzzzzzzyzyzyy zyy yzzyzzyzzyyzzz yyzyyzzyzzzzyz yyyyz yz zzyy e yzyzzzyyzyyzzz zyzy zzzzzzzyzzz zz yzy J q,h,j,e J->Jh|e J 46 jhjh jqqq jqqqjqhhqhjqj jhhqhh e jjjjjh qjqjjqhjhhjhj jqj q e jjhqqqjjqhq qqhhjqqjqhq qjqqjhqjqjhjhq jqhjqjqqhqqq hjqhjjjhhq e hhqqqjhjqqhj qj qhqjjhh jjqqqqhjhq jjhh e qjhjhqhq jhqjhqqhjj qqhhhhhhjjhj qqhqhqhhjqjjq qh qjjjhjjqqhh qh qjjhhjjjq jqjh e qhqh qhjjqjjqqjqhh jqjqjjjh hh hqjhjqjqhhj jjqqqhqqqjhqjq qhhqhqh hjjjqjqqqqjq hjqqqqhj hhqhqhhhhjj hjqhhhqhhhj qjhhjqhh qqjhhqqjh jqh O,Y,L v,h,e O->Ov|h|vLhh|v,Y->hOv|v|e,L->v|h|v L 44 hhvhhvvv hhvvhhvhvv vh hv hvv hhhhvvh vvvvhvvvvhhhhh hhvhvvhvhhh vvvhvv hhvhhv vhvvvvvh hhvhhvv hvvvhvhvv hhhvhvh hhh hhhhvhvhhhhvhv hhhvvhhhvv vvvhvvvhvhvh h vhhhvvhhvhvv vhvv vvvvvhhvhhh vhhhhhv hhhhh vhhhvvvvvhhh hhvhvvvhhvhvhh vvvvvhhvh hhhhvhhvhvv hvvvv hvhhhvhhhhhhv hhvhvhvh hhvvhvhvvhhv hvv vhhvhvhvh vh vhvvvhhv vvhvhhhhv hhvvvvvvvhhvvh hvhhhhh hvhvhhhvh vvvhhvvvhvh vhv e vhvvvhvhvhh R,D,K f,b,e R->e|e|fRb|b,D->b|Rff|f,K->fRb|Rfb|e|fDf|Df|f D 23 ffbffbffbbbfbf fbfbbfbb bffbfbbfbf fbb bffb fbbb fffbbfbf bfbfbff bfbbbbbffbfffb ffbffbb ffbbbffbfff ffbfffbbfbbfb bbbbbbfbbbb bbbbbff fffbbfbbbfbb fbfffff e fbbbbbbfffbf b ffbbbbbbbb fffbbfbff bbffffbfb e O r,n,e O->On|n|Or|e|n O 29 rnrrnnrrrrnrn nnnrrrrnnn rrrrnnrrrrrnr e e nrrnrnnrrr nnrrnnr rrrrnnrnrnrrr n e rnrrr rnr nnrrrrrrr rrnrnnn rnnrrnnrnn nnnrrn nrrnnrnnn nnnnnnrnrnn nrnrrnrrnn rnnnnnnrnrrrnn nnrr rrrnrnrrnnnrn r rnrnnnrnrn rrrrn rrnnrnnnrn rrrr rnrrnnnnrrrnnr nrnnnnrrrrr O,K x,w,k,e O->x|k|w,K->k|Ox|Ox|e|k O 30 kwxkk wkwxwxkkwxw wxkwkkwk kxxwx kxxkxkwwkk x wxwk wxxxwxk wwxwxxwxkkkk w xwxkk kww wkkxkwxxkxxwxw xkwxwkxkww xxwxwkwx xwwkwxw kkxxxkxw kkkwkk wkxkkxxwkkkxw kwkxwwwxxkxxxk wwkwxwkk wkwwwxkkww wkxwwwxkwxkwwk kxwwxwwxw www xkxkxkwxwwx wwkkkx k wxkwwkxx kkxxkwwwxkww E y,e E->yEy|y|Ey|y|e|y|y E 24 yyyyy yyyyy yyyyy e yyyyyyyyyyyyyy yyy yyyyyyyyyyy yyyyy yyyyyyyyyyy yyy yyyyyyyyy yyyy yyyyyy yyyyyyyyyyyy yyy yyyyyyyyyyyy e yyyyyyyyyyyyy yyy yyy yyyyyyyyyy yyyyyyyyyyy yyyyyyy yyyyyyyyy G,A,C,H w,c,i,e G->w|Gc|Cc|w|e|Hwi|i,A->Hc|wHi|Hc|i|e|c|Cwi|w,C->i|e|Ai|e,H->Gi|c|wHc|c|w G 9 iiwccwcwwiwww c cccicc wwicwwwwiic cwccwwccwcwiw cwiw cccii ciiwcwiiwciwcc ccwww B,O d,e B->d|d|Odd|d,O->d|d|d B 33 dd d ddddddddddddd d ddddddddd ddd ddddddd ddddddddd dddd ddddd ddddddd ddddddd dddddddddddd dddddd dddddddddddd dddddddddddd dddddddddddddd e ddddd dd ddddd dd d ddddddd d dddddd ddddd dddddddddddd ddddddddd dddddddddd ddd ddddddd ddddd B,X y,d,j,p,e B->Bj|e|e|d|Xj|d,X->By|Bd|j|e B 28 jjp yjyyjddd yjypjjpjdjdy e dddjjdpdpyjyy jyjydp djpy jyp pdpdjdpjyddpj jpdyjdp jjjjddpdpyp pyjdddp ydpd jyjyyj dyjydyyj dpppppyd dddypy ddjy yjjpdjyjjyydd p ppjj yydjj d pd yyjdjjpdjpy ypjdddd jypypdpjddd jd Q,W,B,V u,e Q->Wu|Wu|u|e|u|u,W->Bu|u|e|u,B->u|uQuu|Qu|Bu|u|u|u,V->u|u|Wu|e|Wu|Wu|Bu|u W 29 uuuuuuuuuuuuu uuuuuuuu u uuuuuuuuu uuuu uuuuuuuuuuu uuuuuuuu uuuuuu uuuuuuuu uuuu uuuuuuu uuuuuuuuuuu uuuuuuuuu uuuuuu uuuuuuuuuu uuuuu u e uuu u uuuuuuuuu uuuuuuuu uuu uu uuuuuuuuu u uuuuuuuuuuuu uuuuu uuuuuuuu G,F,Q c,h,u,e G->u|h|c|e,F->Fu|cFh|Qch|Fh|h|c,Q->e|cQu|e|c|u Q 15 u uuucuh chhuhh e ch hcuccc chhchcuccc uuch chh cuuu hhcuuuhh hcuhuuuu hcuh huhhccuc uhchcuch K v,q,e K->q|Kq|Kv|v|e K 19 vqqqvvvvvqv vqqqqqvqqqvvqv q qqvqvvvvqv qq vvvqvvvvvq qvqvqqvvqqvqv vvv vvvqqvvvvvqvvq vvvvqvvvvqvvq e vqvvvqvvvqvq vvqvvvvvvvvv vvvvvvv qvvvvvvvvvv v q qqvvqvqvvvv q K,H,X i,g,e K->i|g|Xg|g|Xii|e,H->gXi|e,X->g|i X 49 iigg iigiigggiiig ggiiiigggiiigi gg gig igiggiggggiig e iigggggigii giii iigigigiiiii iggggiiiggiii giigig iiggggigiigi gii ggiggigigggi giigigiiiggii iigggg ggig giig igi giggggiii igiiiigiiigiii iigigiggiggi igggiiigggg iggig iiig gig i iggiggigigigi ggigi gggi gii gggggiigiggg g gi e iggii ggggiggig igiiiigig giggiiiggiiii giiiigii iggggigiggig giggiiggigigig ii ggiii iiigggigiggi ggg iigigiigg iggiggiiggig I o,i,e I->o|e|i|Io|Io|iIo|i I 37 iooo oooiiiiioo oooiioiiiooooi ioiii e e iooiio iooioioiooiooo oiioioii ioioooooiiioo iooooo ooi ooiooiooi iooiioiii ioiioioooooo ioiioooooo io iiiooo oooi iiiooii iiooiiioooooio ioiioiooooii oiiiii o ioooii iooiioo iiiiooii iooioooi iiioioooi oooioi ioioiio ooiooooio ioiiioiiii iio ioiioo iiiiioooio oiioiiooioii J,S,U,F p,e J->Up|p|e,S->p|p,U->pJp|p,F->Fp|p|Up|p S 39 ppppppppppp pppppppppppppp ppppppppppp pp p ppppp pp ppppppppppp pppppppppppp pppppppppp pppppppppppp p ppppppppppppp ppppppppppppp pppppppppppp ppppppppppp ppppppppppppp pppp pppp pppppp ppp pp ppp e pppppppppppppp ppppppp ppppppppppppp pppppppppppp ppppppppppppp e ppppppppppp ppppppp pppppppppppp pppppppppppp pp ppppppppp ppppppppp e ppppppppppppp X h,z,e X->Xz|Xh|Xz|h X 24 hhh zzhhhzz zzzhzzzhhhz zzhzz zzzhzzzzhzzzh hzhz zh zzhzhzzz h zzzhzhzzzzhzz zhhzzzzzzz zhzzzzhhhhhz zhz zzzzzhhz hzzhzz zhzzzzz zzzzzhzzz h zzzhhzzzzzzzz zhzzhzhhzzzhz zzh hzhzzhzzhhz zzzzzzz hzhhzhzzzhzzhh L q,u,x,e L->e|q|Lu|q|q L 19 qqxxxqxqqq qxqqqquxq u ux xxquxquuxxuxqq uuxxquqqxx quxuuu uqq e xxuquxuuuuux xuquuxquxuqqx e uxuuuquqxxuxuu xxxx xuqxu qxuxuxx e uuqx uqqqxu A,H,E,M,R w,m,h,e A->mRm|h|Mw|w|m|h|Mhw|h,H->Rw|e|w,E->Am|w|m|Hmm|hEww|h|mAw|m,M->Em|h,R->h|e|Rw|Rw|mHh|Amw|mMw|e M 8 e wmmmwmhmwm e hhmmwhwmhhwhhh whwhw whwm wmmmmh mwhww S o,z,u,b,e S->oSo|b|z S 36 bbooubuoo bouzzbbuooouo ubbuobzzbbub e ozobbzuuob uoozbozob ozzz ozzozbzooobzbb uzzobobz e zuoboubbz ooozzu ooobzzbuzuozo zoboz bz e bboouboubbzzzz ubzobbobo obuz ozu ouzzbubzub ozozzoboub obb ouzbboub uuzbbbbozu uuuubuuobzozub ouubb buzzzububbbuoo bzzbobboobbbu bzbozoozbb uzozozz zboououzobb bub buboozbzb uououubbozbobb ouuozz D,Y,Q,G y,s,d,c,e D->yYs|e,Y->Ys|Dc|sQd|Dys|c,Q->sDs|Yd|dGd|s|sDs|e,G->Qd|Dy|d|s|Qd|sQyy|s Y 45 cdd dcyycdcdcysds sysddcsdydscd sdcscscy dyydcc ydssscydsysy csy dccccdcs cdcycsdc dddccccd dddssycccydc csyccs scsssysdsyyys cdsscs cdsyyscc sccdcdddys e dsdsydyd dyyy sc dcdcdsssdcsyy dccs ycdcccy cdcy csyssyddcyy ddcsdddydyyd yysycyycdyyc cysssd sydcddscscccdc yycdcy cydysdyscdscyc scddyccy sddccsccc e dysdcscdysscc ydsssdc dcddsdcydy dsyyscdd cc sdycdydyyy syssdsscs ycccdddsycdyy e ysysycsccsddy yss Q,Y q,u,n,z,e Q->Qn|q|q|nQzq|u|e,Y->z|uYuq|e|zQu|e|n|z Q 21 zqqnqznu znnquzzz zuzquznnu nqznqun qzzzznzquzn qznqqqququz znqqnnn nznquuzznuuzqn qqquq nq z n uqnnqznnznnnuz nn uzz zunznnqunu qnuzzuuzzuznq unuqqzuqnzunq uzquz uuzzuqquzu zqzznuzu L,X,Y m,d,e L->Yd|Ym|d|m|Lm|d,X->Ld|Yd|dYm|d|mLm|d|e,Y->Xm|e|mLmm|d|Lm|m|e|d Y 42 ddmdmmddmd dd mmmdmmmdm ddmd mdmmmdddddmddm mdmd ddddmmmdddmdmd mdmmmdddmdmm mmddd mmdmdmmmdmmmm mmdmmdd dmddmmd dddmm mdmmd dmdddmmmmm ddd ddddmdmdd mddmdmmdmdmmmd dmmdmdm dddm dmmddmdmddm dmmmddmmdmm mmmm dd dmdmmddmmmdmmm dmddm dmmdddmdddm mmmm ddmm mdmdmddmmdmmd mmmdm mdmmdmmd dmmmddd e ddmmmmddm mdmmdddmmdm ddm dmd mmd m mmdddmddmmdd ddmmmmdmddm B,P,C,T v,c,e B->Pv|v|Cv|e,P->v|e|cBvv|c,C->v|e|e|v|e|vTc|v,T->Tvc|v|c|v|Bc|e C 7 vcv vv ccvcvccvvvcvcv v cvcc cvvvcvv cvcvvcvvccc P,G,M k,e P->Mk|Gk|Gkk|Mkk|Pk|e|k,G->k|Pkk|k|e,M->Gk|k|e|k|k|Gk|Gk|k P 8 kkkkkkkkkk k kkk kk kkkkk k kk kkkkkkkkkkkk S,I,G,O s,f,q,e S->e|Iq|e|Ssq|sIf|Is|sGs|e,I->Ssf|Gqq|Osf|Gsf|e,G->Is|s|Ss|s|e|f|f,O->Sf|f I 10 qsqssfqfqsfsqs f qsqsqffqs sqssqssssfs sfsssqsqfqff fss sqqssf s sqqssfssfqq qsqsq C,Y,V,Q h,q,b,e C->e|Cq|e|bCb|q|q|q,Y->hYb|e|hVb|b,V->Qh|Vh|Yh|Cb|Qh|e,Q->Vh|q Y 39 hq e hbqb qhbqhhbhbb bb bqhq qhhqhbb h qhbhb qbbhqbhqb hbbqhh hbbbqhhqbbbq bhqhbqqhhq qhq bbqhq hbqqhhqbhhq hhqqhbh bb qhbqhq bqqbb qhhhh bhhbqbhqqbbq hbqqhhbhb qhqqhbqqqq hbhhbbhhqh qqbqbhbhqbq hqhhqbhbhqqhbh qhbhh qqqhqq b qhbqbqhhbq hqbqqbbbhhh hhbqqbh bhbhqqhbbqh h bhhhqhhbbbqhq bb hqqbbhhhqhhhq e Q w,u,a,e Q->Qa|a Q 21 awauuw waawuaawu awaaaauauwau wwu uuwuauaw awaawuwa wuw wwwaaawuuuwauw auawwuauua wawuaaawuu w w uww e aauuuawawauuwu wua wawwua wuuau auauuuwu wuaawwawuwwuaa aaaawaauaww T h,r,d,e T->h|Tdr|Trd|d|d|e T 11 ddhdhrrh drhdrd rhdrhh rdhhrdd drhdddddhrr dhhrdhd hrhdrdhdh rr rdrdhddrh hhr rhrr S,B,D,F g,j,p,e S->Fp|g,B->p|Fg|Fj|Sj|g,D->Bp|g|j|g,F->e|p|Bj|j|j|j|e F 49 jpg gggggpppppp jgjpgpp gpg gjpggjggppp ppgjpj jppjppjpjj jjgggggpgg jj g ppgjjggjpgjjjg pjgpjpppjp jp pgjjjpj e j jj ggjjpg jppgggg pgjg jpjpjggjg j pgppgjgpgpgj e jjg pp pjpgjjppp p pgppg jj gjpgppgpgpgpgg e g gpgp pjpjppgjj ppg e j jg jpggpjpgjgpjgj gjgjpggggg jppgppjg ggpgpggjpjg e gjgjjpgpjpjgj pjpjjj ppj jpjggjpjg jjj B,L s,x,n,t,e B->n|Ls|s|t|Bxs|Lx|e|t,L->Lxn|Lxt|n|Lx|x|s B 16 tstnttnxx txtxtnxsnnxnt xsssnsst xxsnxt xtnx xtsxnsnx tsnsxs nxtxnxsxn xssnnxn sxsstx xxxs tt nnxtssnnxsxt ttstnnn nstnssxttttxt stsn S,R a,x,v,s,e S->s|Rvv|a|Sv|Sa|xRva|s,R->e|s|Ra|e|e|x R 33 s vaxxaxxaasvax xxxxvvs aas vvsvvxaxasavxa axsasvxaxaasvv aasaxsaxx av ssx vaaxvaass svsavxs vvxxxxaaax assaxxsxxvs vsassaasass vvsvvvaaasa sv vaaa savxxxxsavsvvs xs asavasvxvxax vsv assvvvxvssvav xvaas x xaxvasaaaxv savxvsvxa xsssvaav sasx vsxvv vvvsa axsxvv vaassvvvavs avxsxaax W,F,X d,e W->dXd|dXd|Xdd|d|e|Xd|d,F->e|d,X->Wd|dXd|e|d|d|e|d W 49 ddddddd dddddddddddd dddddddddddd dd ddddddddddd ddddd ddd dddd dddddd ddddddddddd ddddddddddd dd dddddddddddddd dddddddd dddddddddd ddddddddd dddd ddddddddd dddddd dddddddd dddddddd dddddddd dddddddddddd ddddddddddddd dddddddddddd dddddddd ddddd e ddddd ddddd ddddddddddddd e e e ddddddddddd dddddddddddddd dddddddddddd ddddddddddddd ddddddddd ddddddd d e dddddddd dddddddddddddd ddddddddddddd e dddddddd ddddd e H p,j,o,l,e H->p|Ho|p|e|j H 16 jplloljoolll opjplop ljolojolpjo ljjploojljjllp o loolplloj pol ppjjppojopoj ppplllop pjjl e pljjojplljpoop jopppolpjp joljpppoollolo jllpplojojo ojjljol Y,V y,m,k,x,e Y->e|k|Vy|m,V->m|e|Yx|m V 53 e kxmmkyymxky kymyykxmkxyyxx xmmykmxmkx xyykm e yymm y ykyxm mmyxmykymmmkk mm y xkmxk mkykmkkymx mkmkxky m xmyxxkkxy xykxymxymkxyk kykxyxyxyxmym yyxm k e ymyxm e mkkyxkmx kmkkymkmykxk mkmkkm myxykyxmm mxkkkxkmm k kyyxky mmxkkyk yxkky kmkxymxk xyxmkkkmymk xk xxmykmxkk e xmmxxyyxmxmyk xkxkmmmxyyxymx mykkkykykyxy yyxyyxxyxkm mkmxkkxyk kymkymkkkk mkykyyxmxxyk yy mxxmyykykmmyx xkkmk xkmxx ykkkxyxkyyxmyx xxk xxkymmymymx mk C,D,M,G g,z,s,w,e C->Cg|g,D->e|g|s|w|e|wCw|g,M->w|Cz|Ds|s|Dzz|w|e,G->g|Gss|zMs|z|w G 41 zswsggs wszzz gsg sw wzszggwwsszg wwsgws sw gssw ggggwszgssww zszww wswszgww wgwgwz wzgs wwzsggws z ws wzgswsss wwswzwzwsz gwssgwwswsgszz gzggzzzsswwgzg gzgsssgg wswszzszsgsz wsgsgzw gwg ssgswszwgw sgsszzzzzswg zzsw ggswswgzsz wwsswssswwgggz wwszzzswwz ggggggw zszws wzgs sw g wwgzszswzwszg gs zszzzzwzwgzs zzwzsgzssz swswws wgzsgzzgwzwww D,B,O l,z,r,y,e D->Dz|e|l|y|r,B->e|Ol|l|l|Dz|Or|y,O->Oy|yBy|z B 26 zzzlzyzlllr rzlllyryzyllrz zzlrzlzyyl z zzryrl zrzlyzryzzzzll lyyzz ryyyyrllyll e zzrrzl zry llzyzlr zllllzyryyr lyyrryyzrzzr e rylzlyrzlrlzl ylr rzzr e zllrlyyryll yzl yzrllyrlylrr yrl zzzlrl llyrylr yryzrryl W,Y,U,V t,r,s,e W->Ut|s|Wst|r,Y->t|e|Ytt|rVr|r|Wt|s,U->t|e|sVs|Vr|e,V->e|Ur|Wt|Wrr|Ur|r V 16 e sssrrrsstrrs ssrrtrttrtrrr rs rrsr rrrrrtrrstrrrr rrtrrrrts ttstrssrtr rsrrrsrrts rsrtrsr trrts rststrrrtsr t rssr rrtsttrrrttrrs rrs N l,s,e N->Nl|s|e N 31 slsss sllssssllss sllsslssllll e llslsslslss llll sslsllllsllsls llls lsllsssls slllll lslllssllll lsslssllssssll lll ssslssl lsslslssss slsssllslllsll slsllllss sllllll ssllssssl ssl slslllsll lsllsssls llsslssll l lsllllslsls e llslsl lslllslslsl ss sslsssssslsl lsllssllssll N,J,O,H,Q s,e N->s|s|e|sOs|s,J->sNs|Os|s|s|Jss|s|s|s,O->s|s|s|sNss|s,H->s|sNs|e,Q->s|Ns|e|e O 20 sssssssssssss ssssssssss sssss ssssss sssssssss ssssssssssssss sssssssss sssss ssssssssss sssssssssssss sssssss sssssssssss sssssssssss ssssssss ss ss ssssssssss ssssssssssss ssssssssss ss S,W f,s,e S->Sf|s|e|s|f|f|e|e,W->Wf|e W 16 s ssffsffs ffssffs sssffs ssfffssssfs fssfssfsssfss sfsssf sff ffs sffsssfff sffsfssssfsf fsssfsfsssf fsfsf sss fssfssfffffsf sfffffff D,W,M x,e D->e|Dxx|Dx|Dxx|x|x|x,W->x|xDxx|x|x|x,M->x|x W 21 xxxxxxxxxx xxxxx xxxxxxxxxxx xxxx xxx xxxxxxxxxxxxx xxxxxxxxxxxxx xxx xxxxxxxxxxxxxx xxxxxxxxx xxxxx xxxxxxxxxxxxx xxxxxxxxx xxxxxxxxx xxxxxxxx xxxxx xxx xxxxxxxxxxx xxxxxxxxxx xxxxxxxxxx xxxxxxxxxx K,M,Y,B x,e K->Yxx|Bx|x|xYx|Yx|x,M->Bx|e,Y->e|x|x|e|x|xMx|x,B->x|x|xKx|Bx|Bxx|e|x M 53 xxxxxxxxx xxxx e xxxxxxx xxxxxxxxxxx xxxxx e xxxxxxxxxxxxx xxx xxxxxxxxxxxxx xxxx xxxxxxxxxx xxxxxxxxxxx xxxxxxxxxxxxxx xxxxxx xxxxxxxxxxx xxxxxxxxx xx xxx x e xxxxxx e xxxxx xxxxxxxxxxx xx xxxxxxxx xxxxxxxx xxxxxxx xxxxx xxxxxxxxxx xxxxxxxxx xxxxx e xxxxx xxxxxxxxxxxxx xxx xxxxxxxxxxxx x xxxxxxxxxxx xxxxxxxxxxxxx x xxxxxx xxxxxxxxxxxx xxxxxxxxxx xxxxx xxxxxxxxxx xxx xxxx e xxxxxxx e e W,U k,p,t,e W->p|e|Wk|Uk|p,U->e|k|e U 13 kkktkkkp e k kkttttkt kkppppkpkk pkptpkkptp tt kktt tktptpkppt tp kpttp ptktkkt kpkk Z,B,J,P o,h,j,e Z->Pj|o|o,B->j|e|Zj|j,J->Joh|hBh|e|Bh|e,P->o|o|j|Bh|Bh|e|Jh|e P 18 hooojhhjhoojoj hjhojjjohjhh ojjoooojjohhho j hjjhj hjjhoo hhhojjjjjhhjo hjjjh hhhhjojjoohjjh hjjo oojjhjhoojohhj hhhhooohojooh e oohj hjhjoj hjhjohjojoojj o e H,D l,r,y,e H->Dr|e,D->e|l|Hry|Hyy|y D 36 ly rlrrllyyl rrlyyyyllr yrrrryl ryrylrrylyl rrrrlylllyry lylryylryrlyr yllllllryllr y rylyl yryll r ylrll yyly yr yryrryy y lylllyryllry lyryyyllyyyyy yllylyrylyrlll l rr ylyr e rrlrrrly lrr ry lrry e llyy rl ylyr rlllrlrlrrrrl yylrrryrr yrlyyylyyyr e P m,k,e P->Pm|m P 13 kmkmmkmkmkk kmkkmkmmmmkmk mkkk kmkkkmkkmmmk kmkkmmmkkk mkmkmmkkmmmmm e mmkmkmm mkkkmmkmm mkmmmkkkmkkkkm mmkk e kkmmkkmmmmm V,L,A x,q,g,n,e V->gVn|g|Aq|e|x|g|x,L->x|Lx|q|Ag|q|g|Agq|x,A->e|x|x V 12 qqnqnqgxggnq nxnxnnxgxqqqx gqq nqq xq gqqqqqnnnnnxgg qnqqnnnqqgggx qqgqggxgnn nxqqnnxn ggxgq qnnxnnxxqx xqgg W,E,G,H h,e W->e|Ghh|Wh|h|h,E->Wh|h|Hh|h,G->Gh|h|h|h|h,H->h|Wh|h G 50 hhhhhhhhh hhhhhhhhhhhh e h hhhhhhhhhhhhhh hhhhh hhhhhh hhh h hhhh hhhhhhh hhhhh hhhhhhhhhhhh hhhhhh hhhhhh hhhhhhhhhhh hhhhhhhhhhhh hhhhhhhhh hhhhhhhhhhhh hhhhhh hh hhhh hhhhhhh e e hhhhhhh hhhhhh hhhh hhh hhhhhhh h hhh h hhhhhhhhhhhhhh hhhhhhhhhh hhhhhhhhhhhhh hhh h hhhhhhh hhhhhhhhhh hhhhhhhhhhhhh h hhhhhhhhhhhhhh hh hhhhhhhhhhhh hhhhhhhhhhhh hhhhhhhhhhhhhh hhhhhhhhh hhhhhhhhh hhhhh N,S,V c,t,e N->Vt|c|Vtc|t|cScc|e|c,S->tNt|Sc|t|t|t|c,V->Vc|Stt|c|Nc|c N 54 ttttctcccttc ttttttctctcct ctcct t tctttcctctttcc tcttcctt ctctcctcttcccc ctcctttct c ctcttcttctctcc tctcttttccc tt tt ttct cctctcct t ttcttcttt e cttctcct ctccc e ttccct ctctctcc tccccttccctttt ttttt tctct tt cctccctctcttt tctttc ctcccct ctttctccct ttttctttctcc tcttcctc ctttttctttttt ctcttttcctttc tctttcc ttcttc e cttttccctt tccctt ccctttccttt cct tcct cctcctt tctttcttcctcc tccttctt ccttctctcccc tcctctccccttct t ttcccctctc tcccc cc cccctccctct ttcctcccc M,P,I,V,W q,i,e M->q|Vq|Mq|i,P->i|i|e,I->q|e|Iq|e|q,V->i|Wi|q|qWi|iPq|e|e|i,W->e|q|q M 24 qqqqqqiqiqq qiqiqqii qqqqiqqqiqqq qiqqqiqqqiq qqqqqqqqq qqiqqiqqqq qqiqqq qiiqiqqiiiq qiqiqqqqii qqqqiqqqq iiqqq qqiqqiqqii qqqqqqi qq qqi iqqiqiqiiqqq i qiqi iiqq qq qiqiiqqiqiiq iqqqq qiqqqqqq iqqqiiqqiqqq R,K,B,Y,O q,e R->Bq|q,K->Oq|q,B->qBq|Bqq|q,Y->Rq|q,O->Oq|q|q|q B 6 qqqqqqqqqqqq e qqq qqqqqqqqqqq q qqqqqqqqqqqqq F,V,I q,d,x,e F->q|d|q|x|e,V->Idq|e|qVx|Fxd|e,I->q|x|x|Fx|Vx|x|q|q I 48 qqqddqxxq qqq dqq xqdqxqqqxqdqqd dddqqd dqqqqqqxqqq e q qxqqxxxqqdqx xqdqxqq x e xdqqq qqdq qqqqdxqxx qqxqqqqxqqx xqxd qqqqddqqdqxqdq dqdqqqd qqqqxqqqdqd d qqxxdqdxdqdd dqxqdqdqqxqq qxq xqqdqqddxxxqxq qxxqxdd qqdqdxqdxddx x qqxxxx dxdq xqqdqdxxqq qqdx x qxqdqqqqdqxx xqxqqqqxqqdqx qdxxqd qdqdddxqqqqdd qqqddqqqx qxqqqq qqqxxqx dqdxdxdqxxd qxxq d qdxq dqqqxqqqqqq e dqxxqx xxddqqqxxqdxxq T,K p,d,r,e T->Kr|p,K->p|p|e|Tpd|Kd|p|Tp|e T 21 rpprppddddrpd ppprrddppp rrdrrpdd dddrdrdrddrd e ppdr dprprpr dddddrpd dddrp ppdprdpddprdr rpddrprprdr ppprddpdrrd drrdrddp ppdpdrrppprprd dp dpdppdd prdrdrdp rdrppprpp rdrprpdrdrrdd rdrppprdrrrp ppprpdrrpr N d,e N->e|Nd|d N 31 dddddddddddddd ddddddddddddd ddddddd dd dddddddd e ddddddddd ddddddddddd ddddddddddd dddddddd dddddd ddddd ddddddddd ddddddddddddd ddddddddddd ddddd dddddddd dddddddddd ddddd ddddddd d dddddddddddddd dddddddd ddddddddddddd ddddddd ddddddd dddddddddd ddddddddddddd dddddddddddddd ddddddd dddddddddddddd Y,F i,g,e Y->i|Yi|g|g|g|e,F->Fgg|e|g|i|Ygi|i|e Y 11 ggii giii iggiggiigigi ig gg iii g e igigig iiiiiggiigg gggi C,P,J,Q,K t,v,e C->Qt|e|t|v|e|t|e|e,P->t|Jv|t|v,J->Cv|v|e|t|Cv|t|t,Q->Jvt|e|Kt|t|Cv|e,K->v|t|t|t|t|Ct|tKvt|e J 5 vtvt e vttvvt e e K,S d,p,j,e K->Sp|j|Sdj|d,S->Spp|e|Kj|e S 35 jdjpjp e dpjdpjpjdjd ppjjpppjjd ddppjjjdpppjp pddjjjjppj ddjjddpjpjjddj e jjppjjdpjpd jj jpd pdddppdjdpdp ddjdjjppjp e jddppp ppdjppj jjppdjppdpjpjj dpj pdppjd p jjppdpjjj pdpjd jdpjj jpdjdpdjjpd jd pddjjpj pj p e ppdjjpdjdjdj ddjddpdj ddjdjpddjj jp d pdpjjjddd Q,H,X,G i,x,o,e Q->e|Hi|o|Xo|x|e|Gox|x,H->Qix|i|e|o,X->Hx|x|e|Hi|x,G->i|iHoi|Xx|e|x Q 49 xixi xxxoixoixiix oxoioxi xoo ooxoxo xoiixoiioxiooi oxoooxoxxxoi ooooxio ooixxooxoxii e iioxoxi ox xooo ixx oo xooio oi xioioxoooxi iooioixoxoixxi xooxoioxxoixo ooxioxx oio ixoxoooxii ioxooxoiixxoxi ixxoiioox xoixoxoooiixx ooi oxoxxooxxixxxx xxixixiooxxo xiiixoio xooi oooooixoxxxiox xiixiixxxx ooxiixxxixoo xoiixixooi ioioixiio oxiiiixooixo x ioixooxoixxxi ioo x xixix ooxooooiiox oooixi iiioxox o ixxixxooi iixooxxioxx oxoixxi M,T,F p,f,e M->Mf|Fp|Mf|Tf|e|Ff|e,T->Ff|f,F->Tf|f T 43 pfpffppfp ppf fppfpfff pppfffpfffffp fppfppf pfpfppfpppffp e fpfpfpffffppp pfpff p fpp pffpfp fpfff pppfffpfffpfp pf e e e ffpfppfpfp pfpfpfp ffffffppfffff ffpfpffpfp fpffff ffffppfpf ppfppfpfpfp e pfffpfpf fpppfpp fpfffpfp pffff ffpfppfffp f fpfpfpf f p pppppppppf pp pfpfffpppfffpf fpp pfp fffppfpppp fffffppppfp p O u,o,e O->o|o|o|e O 50 ouuuoooou uo ouoo ouuouuuo uuouououuooou uooouuuu ouuuoouuuouo uuuoouoou uuoo ouuuuouuuuouu ooouuuu ououuuouoouoo uouuoo uu uuuouuuouuouou uuouo ouuuouuuuuouu uuuouoooouuo uuouuouoo uoouuouuuo ououuuuououo oouuuouu uouu uoouuuoouuoo ouuo uu uouuooououu uuuuu o ouuuu ouuuou ouuuouuou uuuoo oooooouou uououoouuuuoo uuuuo ooououoouoo ouuuuooooo u oo oouo o uuoou uouuu oouuoouu ooouoooou oouuouu uooouuuuou ouo ouuouuo L,V j,x,f,e L->Vj|x|x|Lxj|j|x,V->x|Vj|e|x|f V 14 j xfj e jjjfxjjjxjjjx e xfx jjfjjjxjx jxfxjxxj fxfjjxxf fx fxjjjfjjfjj jjfjx fj fjxjjxxxjxf Q,R,C f,j,e Q->Qjj|Cff|fRjf|Qfj|f,R->j|j|e|j|j,C->j|e|e|f C 26 ff j fjfffjjffjfj e jjj jffjffjffffff fffjjffj fjjfjjjfjfff fjjfjjf jfjffjjf jfjjf jjfj ffjjjjjjffjjfj jjjfjf fjjjffjjjffffj ffjjjfjffjf e ffjjff e jfjfjffffffj fjjjjjffj jf f f fffjjjfj jjj Y l,a,e Y->aYal|e|Ya|l Y 31 alllaaaallall lallla al laallalalaaall lllllaalaalala allalallll alallaal ala llalllaa alaalllaaa laa lal llalallal laaa lla llaaalllll allllalal aalllalal llaalaallall allllaalallall aalaal aalaallllllaa a laallllalal lal lallllaa all lalla aalaaaalll lllallllal alllaaaallalll M,O,H,K,C x,e M->x|x|x|Kx|x,O->Mx|e|Kx|e|x|Mx|x,H->x|xKxx|x|x|x,K->xCx|xCx|x|Ox|x,C->x|Kx|Oxx|xHx|x|x O 18 xxxxxxxxxx xxxxxxxxxx xxxxxxxxxxxx xxxxxxxxxxxxx xxxxxxxxxxxxx x xxxxxxxxxxxx xxxxxxxxxx xx xxxxxxxxxxxxx xxxxxx xxxxxxxxxxx xxxxxxxxxxx xxxxxxxxxxxx e xxxxxxxxxxxx xxxxxxxxxxx xxxxxxxxxxxx R,C,D v,r,p,e R->rCp|e|p,C->p|p|r,D->r|p|Dr|v|pRp|e|e C 23 pvrrvvr ppp pppvrrp vvvvvvvprpvvr rprpvpprvvvr pvvvpr rrrvvrp ppvrvpvvvpv r prpprvrvpp vvpvvrrvrv vprv vrvvpvrrvrrvpr e v vvv r e rrvprvvr prvpvrrvpppp vpvrvvrvrrp r vppv S,T,B h,e S->h|h|hBh|h|e|Sh|e|e,T->Th|Th|h|Bh|Bhh|h,B->h|hShh|Sh|Sh|Sh|h|h S 38 hhhhhhhhhhh hhhhhhhhhh hhhhhhhhh hhhhhh h hhhhhhhhhhh e hhhh hhhhhhhhhhhh hhhhhhhhhhh hhhhhhhhhhh hhh h hhhhhh hhhhh hhhhhhhhhhhh hhhhhhhhhhh hhhhh h hhhhhhhhhhh hhh hhhhhhhhhhhhh hhh hhh hhhhhhh hhh hhh h hhhhhhhhhhhh hhhhhhhhhhhh hhh hhhhhhh hh e hhhhhhhhhh hh hhhhhhhhhh hhhhhhhh U,K,H i,e U->i|i,K->Kii|e|i,H->Ki|Uii|i|Ui|i|e|i K 7 iiiii i iiiiiiiiiiiii iiiiiii iiiiii iiiiiiiiiiiiii iiiiiiii A,S,K c,z,v,l,e A->l|c|e|Az|Kz|z,S->e|l,K->e|c A 46 czclvllz vzzv llzccccczzzlz zccvvzczzlvccz zvcz lllv llzvcv v czczzzc ccczzzvzzlcccl lz lcvvcvvzzcvvcc lczcvclvc zcvvcl vz lcvl lll czczvvvlcllzz vvzvvclzlvvlcz zvllz cccvvcv vczvzlvczczvv lzllclczccvlv zzlvzlzlcczl vzzzvlzc zcvzcvzvv lvlvcvclczzllz lz llll e zvl zlzlzvlzvl cllzzvcvvzzczl zc lcl c lccvzzllzz lzzvzvl clvzzcvlc vlvzlv zzcvc lczz ccvzlvzllzczlv zzvvlvcvvczzlz zvvc e A,E,I p,e A->p|e,E->p|p|p|p,I->p|p|p|e|p|Ip|App|p E 7 ppppppppp pppppppppppp pp ppppppp ppp e ppppppppp D,W x,i,p,c,e D->x|p|Wxp|e,W->e|p|x|e W 13 iccpp cpcpc ixiipiic ixppxci iicpipicxiip cx ppcxixxipxpi icpicciipxc e ixcppc xcppxcc cipxcxpi iiixicpicc A,M,G,Q x,e A->x|e|x,M->x|Axx|xQxx|Axx|x|x,G->x|x|x,Q->Mx|x|e|Axx|x|x|Ax|e A 32 xxxxxxxxxx xx xxxxxxxxx xxxxxxxxxxx xxxxxxxxxx xxxxx xxxxxxxxxxx x xxxxxx xxxxxxxxxx xxxxxxxxxxx xxxxx xxxxxx e xx xxxxxxxxxxxxxx xxx xxxxxxxx xxxxxxxxx xxx xxxxxxxx xxxxxxxxxxxx xxxxxxxxx e xxxxxxxxx xxxxxxxxx xxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxx e xxxxxxx xxxxxxxx N,H,I,P d,e N->Pdd|d|d|Hd|Nd|d,H->dNd|dNd|dIdd|e,I->e|Ndd|d,P->Hd|Ndd|d|dIdd|e I 48 ddddddddd ddddddddddddd dddddddddddddd dddddddddddddd ddddddddddd dd ddddd dd ddddddddd dd ddddddddd dddddddddddd ddd dddd ddddddddddddd ddddddddd ddddddddd e dddd ddddddd dd dddddddddddd ddddddddd dddddddddddddd ddddddd dddd dddd ddddddddd dddddddddddd dddddddddddddd ddd d dddddd dddddddd dddddddddddddd ddd ddddddd ddddddddddddd dddddddd ddddddd e dddd dddddddd dd dddddd dddddd dddddddddddddd ddddddddd H,L,P,U,D u,b,p,y,e H->Ub|Hy|e|u|pDp|b|Puy|u,L->y|y|Hp|y|Hyb|p|b,P->u|Lu|p,U->u|e|p,D->y|p|p|Lp|uLb|Lyy|Ubb|e H 30 uyubuy yyuyupbyuu ppypubp ybpuubuubpbb bupuuu ybubybuy ypup uuu ybyyuubpu e ppupbpypypyp yuuppybuuyyyyp pyuyyb pppbuuybypyybu pyppupbybuuyb ppyyuuubuybyyb upbuyypypb y ybyupuuuypbbb yybu yyupbubp pppubbuu buuypypbbupp p ubppubyup uuuuupyybybbpb upu ybp bb uppbb F,S,P,U w,d,e F->w|e|Uww|w|d|w|Pwd|d,S->d|d|e|d|Uww|e,P->Sw|w|Sd|d|d,U->d|Sd|d|dPdw|Pw|Fd|w S 41 e dddwwwddwddww dddwdwwddwwww wd ddwwddwdwwwdd d dwwwddwddwwd d e wdw wwwwdddww wddw dddwdddwdddw wwww wdwwwdwddwwdw dwwwwddwwdddd ddwwwwdww ddwddwdwdwddw wdd dwdwdddddd dwddwwddw ddwdwddw wwwwdwdd wdwdwwdwd dwwdwwwddddw e ddddwww ddddddwwdddd ww ww dd wwdwwwwww w wddddddw wdddddww wwdddwddddww e dwddwwdwdwww wwwwwdwwwd wdd wddwdww R,T,H,I,L m,i,e R->i|m|Tm|Im|Rim|e,T->Im|Hmm|e|e|Lm|Lmi|e,H->Tm|i|m,I->iTi|Tm|m,L->Im|m H 10 mii mim immmim iimiii iiimm miimiiiiimim imiimimmmii iiiiim iiimiimmimim iimi H,G b,x,m,e H->Hx|bGx|e|x|Hxm|e|e|m,G->Hxx|x|e|Gbx|x H 31 mxbxxxbmmmxmx mxbmmxmxmbxb mmbmbxxbxxx xbmbmxxx mx mbxxbxbmx bxxbxxmxxxxbxm xxxxbxbxmxb e bmxmxxxbxbxm bxxbbxmx x xmxmmm mxxbxxbmmx xmbbbbmxmx bxm bmmmbm mxmxm xxxbxxxmmxxbx bmbbmbmbmxmmbx xxxbbmmmxxmxmb xxxmmxmbbxbm xxmbxxmxbxxbbx bbbbxbbxxmmbxx xmxx bxbbmm xmxmxmmxxmxxbb mxx xxxb bxmbxx bbxmmbmmm N h,b,c,j,e N->Nh|h|h N 42 jcjbhbjjcbhjcj e jbh bbhjcj j cjhjcc bjbbcbjcjb bjbhj cjhhjcbbb hcbhcjjjcbjhch hjj bjhcccjbhjbjc bcjhhhccjjjhcj jjhjj bb e cjjjcjh c hc e jbhjccbcbhhbhb jjbcbbhhjjh bcjjbc b jj hjjjbbbhhhcjcj h j cjbhbjbhc hcjbcjcbbbcj bh hcbchbj bb e chcjbjh bhjbh hbbbjhhbcjjcj cb bj cbc jcjjjh hhjhbjcbbhccb X n,u,d,e X->Xn|Xd|Xu|Xn|Xd|n|n|d X 38 unndud dund uuuunununudddn uudnd nnunuddu ununuudn e nnndn dunnnuddduuu ddunndu e nnud dnuuduudn uuudnudud nuun dndnnuudnudnn uunnuddundnuuu nudnuu dudnun ndun unnndnnnnuu unudu ddu nudnunnnnnndnu nuun ndnnuddunduud dunududn uund un e dddd dnuuuunu nnnu uuu nundddd nundduu nnnuu undnudnudn K,A,O k,v,b,e K->b|e|Ok|v,A->e|e|Ab|v|e,O->kOb|b A 53 bbbbkvkbbkbvk v kb vkvv bvbvbbkbbkk bbvkvkkbkvv kbkvbkbkvvbbkb kvbkvbvkkvb vbkkkk vkk kv e kbvvvvbvvbbkk kkbvbb bbkvbkvvbv e kkkkbvvbvbb kbbbvkkk kbvbbkvv kbvvbbkv bkb kkkbvvk bbbkkbbvkvvkvv bbkvvbkkv kvbkvbb bv vbbkvbbkbvkkb kvvbbvkvvvvb bbvvkkbk vb bvkbbbbb vvbb vkkkkk vbvv kbvb vbbvkbkvkbkvvv vvkvk kvvvvbbvkvkbvk vbkvkkvkbkvb kbk kbkbbkvkvbbkb vvkbvbkbbkbv kvkkkvkvb vvkvkbbv vkvkvbb kkvvvbkvvvvkbk k bkvvbv kkkbvkbvvv kvbvkbvkvk vkvvkvvvk bkv vvkvkvv X,S,W u,h,k,e X->h|e|h|e|Xu|k,S->e|Wkk|kSk|k,W->k|e|e|k|k|h|e|e W 17 e e ku k kuukkkk kukkkkhkhkkuhu khkkkkk hkkhh k k kukkkk khuukukkuk h hkkhukk k hku khuuhhukhuk I,X,S,C,E k,v,e I->Ev|e|v,X->Ik|Sk|Iv|Ek|e,S->Ck|e|k|Iv|Xv|k,C->kIk|Ek|Ek|v|v|Xkk|v|e,E->Cv|kXkv|Sk|vXk|kSvv|Ck|v|e S 21 vvkvk kvkkkk e kkvkvkvv kkkvkvvv e vkvkvvkvv kvkvkvvkvkvv kkv kkvkvvvkkv kvkkv kkkv vkkkkvkkvkkv k e vvk kkkkvk vkvv vkkkkkvvkkv kv vvv R,F,M s,w,e R->sRww|e|s,F->w|Mw|Rsw|w,M->w|w F 12 sswswwsws swswwswssswsws sswwssswwss e wsssw wsssswsww ssswssw swwwssww swwsssswswws sswsws ss ws Q,L,U j,y,a,e Q->e|Qj|e,L->Qy|a,U->j|y Q 48 yyjyaajayyyaya e jajjyy jjajyyy ayjya aajyjaa a ya yjjyaajjyjayyy aayaajajyjy ayyyajj aajjjyjjyjjja ajjya jjjyyjjjyayaj yjjajjjaay j ayyyjyaayyyj yaayjaa yjajyyyjyjyj aayjaj jjjaajyayayj ajyjyajjy y jayayyyyja jaaayjya yajyjayjyjja jaaa yjjyyjyj y jajjaaya aaayajyjayya ayyyjjjyajy jaajaayjjjyaj yjaajyay ajyjyjyjya ayyjjjjjjayyyj ayaa aajjyya jayjjyyaya e ajayjaja ajajay yy jayjjjajayj jj ay yjjy yajaajja B,F,U d,z,r,x,e B->x|z|e|r|Ud|e,F->x|xFr|xFz|Uxr|Bzx|x,U->Fx|Ud|e F 17 zzzzxrdxrrxxxr rzdxzzzxzzr rxrr zrdrrzzzrdxxr ddzzd zxddd zrdx zrdz xxdrdzzxrxrz ddrzrzz e xzdrxxxxrxdxxr xxrxxdxzzzdzz rrdxzdrdrx dddrrxxxddrz d xxdxddrxdzzz Z,A,K,C i,c,g,e Z->g|c|Cc|Cg|i,A->g|e|Zcc|c,K->gKi|e|c,C->iZc|cCc|e|g|i K 53 gigicgigg e iigi e cgcgggiccgcicc cgcgcgciccii iciccigc e igc cgcggiigi giccggigigg cg cccccccgg iigcgccgicigi g iicgcciicgcigg giigigcigcg ccggc gcicgc ciggcgicgii igcggiigicgc cgicg cgciciicigcicg giiig icccccigc cggggicgicc ggcgiic iicgcig gg ccciccciigc gii e igccgcigccgggg c gciiciigigc gcgggggcc ccci ccicc gi ggg e icicc icciii igg gccgciiccic iigigcgigicgg igiiigg iigigcgiicgc igcccgccicci cgcciggic igiigigcg ccgccgcggiicgc g D,A,O a,o,z,t,e D->e|oDt|t,A->Do|zDt|e|Ota|t,O->Az|o|aOz|e D 10 azataaaoaa oatzzzzz ooz o toa ztazoaoa toao ttatozzatatazo zoaoatzztz aazzzaaot V r,u,c,e V->Vc|r|Vu|c|r V 15 uucrcucr ru cu crucrrrccurcu crcrrcu rurc e crcucuccurruu rruuuccuccuc e uccccrc rrrrcurucuuccu e rrurcucrrur c B,F v,e B->vBv|v|e,F->v|v|v|vFv|v|Fv|v|v B 40 vvvvvvvvvvvv vvv vvvvvvvv vvvvvvvvvvvvvv vvvvvv vvvvvvvvvv v vvvvvvvvvvvvv vvvvvvvvvv vvvvv vvvvvvvv v vvvvvvvvvvv vvvvvvvvvv vvvvvvvvvv vvvvvvvvvvvvv vvvvvvvvv vvvvvvvvvvvvv vvvvvvvv vvv vvvvvvvv vvvvvvvvvvv vvvvvv vvv vvvvvvv vvvvvvvvvvvvv vvvvvvvvvvvv vvvvvvvv vvvvvvvvvvvvvv vvvvvvvv vvvvvvvvvv vvvvvvvvvvvvv vvvvv vvvvvvvvvvvvv vvvvvvvvvv vvvvvvvvvvvvv vv v vvvvvvvvvvv vvvvv E,W,N x,e E->Nx|x|Wxx|Ex|Nxx|x|e,W->Ex|Ex|Wx|x|x|Ex|x,N->e|Nx|Exx|xEx|x N 51 xxxxxxxxxxx xxxxxxxxxxxxx xxx xxxxx xxxxx xxxxxxxxxx xxxxxxxxxxxx xxxxxxxxxx xxxxxxxxxxxx xxxxxxxxxxxxxx xxxxxxxxxx xxxxxxxxxxxxxx xxxxxxx xxxx xxxxxxxx xxx xxxxx xxxxxxx xxxxxxxxxxxxx xxxxxxxxxxx xxxxxxxxxx xxx xx xxxxx xxxxxxxxxxxxx xxxxxxxxxxxxxx xxxxxxxxxxxxxx xxx xxxxxxxxxxxxxx xxxxxxxxxxx xxx xxxxx xxxxxxxxxxxxxx xx e xxxxxxxx xxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxx xxxxxxxxxxxxxx xxxxxxxxxx xxxxx xxxxxxxxxxxx x xx e xxxxxxxx e xxxxxxx xxxxxxxxx xxxxxxxxx V,S,K,F,N x,w,e V->Sx|Sx|wNw|w|e|e,S->Fw|x|e|w,K->Vx|Fw|w,F->xVww|xSx|x|x,N->x|Kx|w N 21 wxxwx xwwxwwww www wx wx www xxxwxwwxwwwx xxwxww xwwxx ww wwxwxwxwx xxxwxwwwxxwwxx wxxwxxwxx wxw e wwxxxxxwwwwwxx wwwxxwww x wwxxwwwxwwwx wwxwwwxxwxwxxx www R,O,S,I h,k,e R->h|Ik|e|Ik|e|Rk|h|k,O->Ok|Ih|k|h,S->k|hSkk|Ikh|k|k|h|Ih|h,I->kSk|Ok|hOk|Rh|kSk|k I 53 hhhhkhkhhhhhkh e h khhhhk h h hkhkhhkhh hk kkkkkkhhhkk khhhkk hkhkhhkhkkhhk khkkhk kh e khk k hhkhhhkkhhhhhh kkhkhkk kkkhkkkkhkh hkk hhhk kkhkkhh khhkkhhhhkkkk hkkhkhk hhk kkhhkkhhkh kkhkhkhhhhkh hhhkhkhkkkkhh khkkhkhkkhhhhh hkhhhkhkhh k k hhkkhk khkkhhhkkhhh e k khhhhkh hkkhhhkhhhhk h hkh kkhkh kk hhhhkkkkkkhkkh hkkkhkkkkhk kkhh kkkkkkkkhk kkkhhhhkhk khkh khkk k hhkkhkhhhkhhkk kh khkhkkhhkk E,F,R,X p,l,e E->p|e|l|e|p|e|p,F->p|Fp|p|e|Xpp|e|e,R->e|p|Epl|p|p|e,X->e|pEl|El|Rp|e|p R 50 ppppllplplll pppppllllppl plppppplppppll llppp plp pplppllpplppll llplpp plpllplplp lpplplllpp lpllllpp lpllll ll lpppllppllp llllppplpp ppppllpp lplll plppplplp ppplllpllll plplpplppp llllp e plpllp lpplp lplpppp plpplllpp plpllppllpl pllpplpllp llplpllplpppp pllpplpllllpp ppplpl lpllpl lpllplpplppll llp plp l lplpl e pppplpllp llpplpppllpp llplpp ll pllppllplllp lppplp lllpllplllpppl pppllllpl lpppl llp e llllllplppplp lplpplp B,U,L o,v,t,e B->oUo|t|t,U->o|oLvo|Uv|o,L->v|Lot|o|Bvv|e|oUot|Bo|v L 17 tot oootvvt vvtotvoovoo tovotoo vvvovtoovo ov oottvoo ttotooovtttot vototvottvt vovto e tovvvo ototvvvvvv e vottotvt tvo tooovoovto V g,p,r,e V->gVg|Vr|r|Vr|Vrg|e|p V 22 pprgrprrrpgggg grgrgprgrgg ggggrpgggrgg rrrgrpggpgg gpggrgpprpprg ggrggrpggg ggpggrgpgg rgrpprprpggp grpgpggrpgrg ggrgrgggrrggg ggpggrgpp pgprrrggrgprr g g e ggrgpppggg gggggggrgrgr e ggg rgrggg e ggrg D,E,I,V,H y,u,n,e D->u|e|u,E->e|y|e|Vy|uHu|e,I->n|u|yEu|u|e,V->Iuu|e|u|n,H->y|Hy|u V 9 uuunyuyyuuu uuyyyuy yuuuuuy unyuuyunu yynuunnuyuyynn uu nuyyunun uy yuyuuuuyuuuu K,G a,e K->a|a|Ka|Kaa|a|a,G->aGa|e|Ga|aGa|Ka|a|a|e G 11 aaaa aaaaaaaaaaaaaa e aaaaaa aaaaa aaaaa aaaaaa aaaaaaaaa aa aaaaa e K,Q g,v,o,e K->Ko|e|o|Ko|g,Q->oQgo|g|e|Ko|g K 13 oogv gvvvvgooogoo vgvovovg ovovvgovv vvgg o goovgo ovoooggov gvggggvooggvov ovvgggoovo ooogvo ooogggo ogvgvooo B,E,X,K h,v,u,e B->Xu|Bh|Eh|u,E->v|u,X->u|Ev|h|Kh|u|Eu|v,K->e|Buu|h|h|u|u X 44 vvuhuvhuhuuvu vhuuvuhu vvvuhuvuhuvh hvvvuhhvuuuhu e uuhuvvuv hvhhhvuvuuuhvh vuuuhuhvvhvuh e vuvuuuvhuhuu vvvuvuvuv vuuhvhhu hvvuvhhvvvh huv uu uuuhuuhhuuuv hhuuuvhuvu uhvhvuuvuvuvhu vhhhuhhhvvuvhu u v vuhvuvu vuhuvvhvuvhhu vhhvuuvhhvhvu uuuhhhu uhhvhuvhvhhhhh hvvhhhuuvhh vhuuvvu hhuh vvhhhu uhu vuhuvvvhhhh vvuvu e hvhuhvvvvuuvh vuvuvuvvvhuuvu hhhuv vhvvvuvvhuvv e huhuhvvv huu vhvh hvuhh uuvuhvv V,N,L,M i,f,e V->i|iLi|Lf|Li|iMf|e|i,N->Vf|e,L->i|Mf|e|f|i,M->f|Li|Nf|i|f|i|i M 18 e ifif ffiiiiffif e iiffffiii fifffiiiiiif iiiififf fifi fiiiii iifi ifffifffii fff iiffififfii e ififffiffi iififiii ifffif iiifiiffii U,O,Y z,n,e U->Yn|z,O->z|z|n,Y->n|n|e U 33 zzzznzzznn znnznznznzzzzn znzznzzzznzzz nzznznz znnnnnn zzznnznnnznzn znzzznnznnn zn nznnzznnznnznz nznz nnnzzzzznz z zznnzznnnzz nzznzzn znnnnnnnznnzn nznzznzznnnn nznnnnnnnn znnnn znznnzzzz nzzn n znznz zzz znnnzzznnzz znnnznz e nnznzzzzn n nnnnnzzzzzn zznnzznz nzn n nnzznnnznznz F,H y,e F->Hyy|y|Hy|e|Fy|y,H->y|Fy|Fy|y F 26 yyyyyyy yyyyyy yyyy yyyyyy yyyyy yyyyyyyyyyy yyyyyyyyy yyyyy yyyyy yyyyyyyyyyy yyyy yyyyyyyy yyyyy yyyyyyy yyyyyyyyyy yyyyyyyyyy yyyyyyyyyy yyyyy yyyyyyyyyyyyyy yyyyyy yyyyyyyyyy yyy yyyyyy yy e yyyyyyyyyyyyy Z,S,P c,h,e Z->Sh|Sc|h,S->h|e|h|e|Phh|c,P->Pc|cZc|c|Zhc|Ph|c|e P 39 hhhhcchchhch e cc hchccc chchchchc chhh hchhccchcccch chh cccc hhcch hhccc ccch hcchchc cchccccccccc e hhhhccchcccc hcchcc e c hcchhchc hhhhchh chchchchc ch chcchccchhh cccchhchhchcc chccchhhhhhhc cchhhcc e cchhcc e hhh hcchccchchchh cchchhcccchhc hcchc chhccchchc hccchhch cchcccchchhhh chchhch ccchchchcchhcc K,I,D,P,S o,m,e K->e|o|m|e|o,I->e|m|Km|So|mSo|m,D->Ko|m,P->o|o,S->Km|e|Poo|m|m D 43 omo mmooomo m oo mmmmoom omomomooomm omom m mmooooommommmm momo e mmom ooo ooooomooo e omommoommom mmommmmoom ommmoo mommomoooom mmmommooo omoomooo omommo mmomo omoommmmoomm oommmoomoom ommommomooom momomomomom omommoom ooo oomomooo om omm ommmmmommmm ooomoomomo moommoommmomoo m mmooommmoom om mmooomo mommommmomom mmmmmmooo om mm M,K,U g,e M->gKg|g,K->g|g,U->Kg|Mg|e U 47 gggggggggg gggggggggggggg g ggggggggggggg gggggggggggggg ggggggggggggg ggggggggg e ggggggg gggggggg gg e ggggggggggg gggggggggggggg gggggggggggggg ggggggggggg ggggggggg gggg ggggg g ggg gggggggggggggg gggg gggggggg gggggg gggggggg gggg gggggggggggg ggggggg gggg gggggg ggg gg gggggggg ggggggggg gggg ggg gggggggg gggg gggggggggg ggggggggggg ggggggggggggg gggggggg gggg gggggggggggggg ggggggggg gggggggggg T i,w,e T->Ti|Tw|i|w|w|e T 14 wiwwwiiiww iiwwwiiwiwiwwi iwwiwwiiwiiii w iwww i iiwwwwwiiwwwww wwiiiwiwiiii wwwwii wwiiiwi e wwwwwiiwiiwwi wiiiiiii wwwwiwwiiwiwi I m,k,w,u,e I->w|w|w I 9 wumkumkmmmkkmk ukwku umumkuwmwkwm muwwmm mmu uwmu kkuwm uuu ukukku C x,e C->x|xCx|x|e|xCxx|x C 26 e xxxxxxx xxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxx xxxxxx xxxxxxxxxxxx xxxxxxxxxxxxxx xxxxxxxxxxxxxx x xxx xxxxxxxx xxxxxxxxxxxxx xxxx xxxxxxxxxx xxxxxxxx x xxxxxx e xxxxxxxxxxxx xxxxxxxxxxxxxx xxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxx xxxxxxxxxxxxxx xxxxxxxxxxxxx S,P,Z,N l,e S->l|l|Nl|l,P->Zl|l|e,Z->Nl|l|Zl|Zl|Sl|lNll|e,N->Pl|lPl|e|l|Nl|l|l|e Z 41 lllll ll lllllllll llllllll llll lllll llllll llllllll llll lllll lllll l llllllllll lllll llllllllll ll lllllllllllll l lllll llllllllllllll lllllllllllll lllllllll e llllll lll lll llllllll ll llllllll llllll llllllllll l lllllllllllll lllllll lllllllll ll lllllll llllllllllll lll llllllllll e X,P,K x,p,d,i,e X->d|Pdx|Ppx|e|e,P->i|xXi|pXx|p|Xd|iXp|pKi|e,K->Pi|Xd|pPxi|x|x K 11 pdiidxdxixx i ipdpdipdxididi xdpd pxidxdii pippdxxxipd dxip xixpxipdipxi dxxpxi ipxxddp ixxd N,G,E,A c,e N->e|c,G->Gc|c|c|c|c|Ecc|e|c,E->cEcc|Nc|cGc|Ec|c,A->c|c|c|c|c G 41 cccccccccccccc ccccccccccc c cccccccccccc ccccccccccccc ccccccccc ccccc cccccccccccccc cccccccccc cc cccccccccccccc ccc cccccccccccccc ccccccccccc ccccccccc e cccc e cccc ccccc cccccccccccccc e cccccccccccc ccccccccccc e cccccccccc cc cccccccccccc cccccccc ccccc cc ccccccccc ccccccccccc ccccccccc cccc cccccccccc e ccccccccccc cccccc cccc ccccccccccc Q,P v,x,y,e Q->vQy|x|e|e,P->x|e P 39 xyxvy yxyxvv v vyyxxxyvvvvxyy x vvx xxvx vxyxyxvxxyvyy vvvxyvxyxvvy yvyxyxyyxxy vvxvxv yyyxvxvvxxv e xyyxxvvxvx xxx xvxyvxyxxyxy yyxxy yvxxyyxx xxxvvyvxxy yvxxy yyvyxyxyxvy yyvvyvyvyvx v x vxxvxyyyvx vvxxvvxvxyvyxx vxxvxxvvvy vyx yyx xyvxyxxxvvxx x xyyvvyvvxxyy vxvxyvyxvxyvxy xyvyyy xyxxyyyyv e vxvxvyyyxvy vvxxvvyv xvvyx L l,w,c,e L->w|c|c|e|l L 53 clw w clclcwllw cwlwcllccw wlwcclwwlcw llc lclwlwwwcllww clwc cclclccwc cllclwlwl c wwllclc ccclcwllllwclc cclw wwcllc w lllwccww clcccllwwwcl wccwwlcw lllwcc llcllc lccwlcll wwlcwccwllcccc cccwwl ccw wcll wwccw wllw wcwcccl wlwwlcclwllwc cwllcwlclcc llccclw e cw llwllcccclwwll wwcwc e cccwlllcwl wllwwwcclwl c cllcc ccwwl llwcclcwlc e lwl lclcclcw lcl wlcw clllwlwcwwll w lwlcllcccl lc wllclwc F,J,M,V s,i,f,e F->i|i,J->sVi|iMi|Js|Jf|s|fJi|sFs|i,M->s|s|Ff|e,V->Jf|Ji|Js|Js|Fs|e M 50 f sifiifffssi issifisisss sfffissssfisf sfifssiiifs sifsifffffifsi fsiifi iisisf sisif ifsf iifssfiifiif s sffssff isfifisiffssi fisisfss fisiifisffs fsiss issis sisff sfsii fsiffff siffffiissii ffsisssfsifis ss iis iiifisfsf ifs fsisfifisif i sssffi i sfsssfsissf isffissssfi e isifisisfsffi sfssfif ssssssisfsiiis ssf issfi si isfs sfifisfiifffs sifssi iisffifisiis ssii fffii fiii fsiffs s isf E,O f,m,w,j,e E->f|Ow|j|Ej|wEw|Emf|Ef|e,O->j|Ew|f|m|Ojw|j|f O 51 fjmwjjwwwj fj jwmfwjfw fwmwfmfmm wffjmww mmmwfwmfjm jmjwjwwfwfww fmmwmwwj wfmjjjmwmjmw fwmmmmwfwm wjjmmmw m fw fmmmw wf fjwjfwm jfffjfmfmmfjmm fmjjf fjjjjmwjmm j mf wfmjmjw fjjwjwmwfjfj fjffjfwwmwfffj jwwjwwwmjf mjmfffwfwfjjw j wmmmfwwfjjmjf fwmmf e wwm fmwmwjmwwmwm jwfmmwwmwfwjf mjwm jffwwfj jfffmjmjfj ffffwfmmjmww fm jjfwfwffwfjfm fwjjfwmj jmjjmwww f ffwfwm jfjmjfwjwmwf mmmffmjf jfw j e e ffwjjwfjjmmfmw fjwwffwwmmj A,T f,t,m,e A->f|e|At|t,T->mTmt|t T 7 mt tmm ffmtmtftmt ftttfftttttfm mff tmtftfm ttft M,Q u,i,e M->uQu|uQi|Quu|Qii|e,Q->Mi|e|u|iMu|Muu|Qui|u M 29 iuiuiuuii uuiiiuuiiu iiuuiiiiui iiuiuuiiuuu uuiu i iiuuiiuiuiuuii e iuui e iuuuui uuiuuuiuiiiuii uiuui uiuiuiuiiu u i iuiiuiuuiiii iuiiuuiiui iiiuu iuiuiuiui uuuiui i iuuu e uuiiiuiiui uuiuuu uui uiuiiiiu uiiuiiiiiuiiuu D,S,Z,V,E b,e D->b|b|b|b|Dbb|Zbb|b,S->bEb|Zb|b|b|e,Z->b|Zb|e|b|b,V->e|Sbb|b|Sb|Eb|Zb|b,E->b|Db|e|b D 43 bbbb bbbbbb bbbbbb bbbbbbbbbb bbbbbbb bbbbbbbbbbb bbbbbbbbbb bbbbb bbbbb bbbbbbbbb bbbbbbbbb bbbb bbb b bbbbbbbbbb b bbbbbbbbbbbb bbbbbbbbbbbbbb bbbbbbbbbb bbbbbbbbb e bbbbbbbb bbbbbbbbbbb bbbbbbbbbbb bbbbbbbb bbbb bbbbbbbbbb e bb bbbbbbbbbbbb bbbbb bb bb b bbbbbbbbbb bbbbbbbb bbbbbbbbb bbbbb bbbbbbbbbbb bbbbbbbbbb bbbbbbbbbbb bb bbbbbbb F k,r,x,e F->r|r|k|Fxk|e F 18 rkkrkkr rkkk kkxkxxxxrrk xxkxkkxrrr xrrkr rrkkxxxxkxxkx krkrk kk e xxkrxrrkkxkxk kr rr e xrxkrrxx rkrkxkkrrrkxkx xrkkk krkxxxrxxx rrrxkxrrx F p,e F->p|p|e|e|p|e F 53 pppp e ppppppp ppppppppp pppppppppppp ppppppppppppp ppp ppppp pppppppp pppppppppppp ppppppppppp pppppppppp pppppppp pppppppppppppp ppp pppppp p pppp p ppppppppppp pppp pp pppppppppp ppppppppppp ppppppppppppp ppppppppppppp ppppppppppp pppppppppppppp e pppppppppppppp ppppppppp ppppp p ppppppp ppppp e ppppp pppppppppp ppp pppp ppp ppppppppppp ppppppppp pppp e ppppppppppppp pppppppppppppp pppp e ppppppppp ppppppppp ppppppppp ppppppppppp Z t,e Z->t|t|t Z 47 tttt tttttttttt tttttt ttt tttttt ttttttt tttttttttttt ttttttt ttttt tttttttt ttttt ttt ttttttttttt tttttttttt ttttt tttttttttt ttttt ttttttttttt ttttt tttt t tttt tttttttttttttt ttttttt tttttttttt tttttttt ttttttttttttt ttttttttttt ttttttttttttt e e ttttttttttttt tttttttttt ttttttt tttttttt tttttttt ttttttt tttttttt tttttttttttt tttttttttt e ttt tttttttttttttt tttttttt tttttttttttttt ttttt ttttt Z,A,C g,x,j,e Z->j|e|g|x,A->Axg|g|x|g|j,C->gCg|Zx|Cxj|x|j|Cj|x A 44 jgxgjgxxxxj e jgxxxg j gxgjj gggxxgxxjgxjxj gxx gxgxxgjjgg e xjxgj jj xxjjxjggjxxjjx jjxxjxxxgxxj gg j jjxjgxj jjjxgxxxg jjx xgjjg x xxgjxjx e xxjjxg gjxjxgjjggggx jgg jxjgjx gjggjggjgjgxxj jx ggxxxg gjgxjgggxgjj xgggj e xjxgjj xxxgxx xx j ggjxg jxggjjjjgxgx jgxxxxx gjgxjjjxjgg xgx xgj ggjgxxg e R,O h,z,r,e R->Or|z|h|e|r,O->h|h|e R 45 hrr rzhzzzz zrrzzhrzz r zzrz rz e zrrzrrhzzhhr hhhzrr zhrhrrrr hrrhrzrzhz zrzhzzzh rrrrrrzhhhrhrh r zzh e zrrzhh rhzhhhhrhrr zhrzrhh zrzrhhhhzz zrrhzz e hzzhrzhrrhr rhrhhhr rzzrhhrz e h hhzz rhhzhhrrrz hhzzhzhzhhh rz hhhz zrrzzzrzzzhhhr hzhzrrhhzzzh hzrzz zzrhrz hrrhrz hz rzzh rhhhrhhrr rrzzzrhh rhh e zrhzhrrrh hzzrrzhhhrzr A,I,Y,P j,q,m,e A->j|q|j,I->Pj|mIm|m|q,Y->j|Pmq|Iq|j,P->Pq|e I 10 jjjjq qmmm e e mmqmq jqjm jmm jjqjqj jqjmmmmqjqm e M,Y,I n,e M->n|Mn|n|e,Y->n|n,I->In|Yn|n|nIn|n|nIn|e|e Y 49 nnnnnnnnn nnnnnnn nnnnnnnn e n nnnnnnn e nnnn nnnnn nnnnnnnn nnnnnnnnnn nnnnnnnnnnnn nnnnnnnnnnnn nnnnnnnnnn nnnnnnnnnnn nnnnnnnnnnn nnnnnn nnnnnnnnnnnnnn nnnnnnn nnnnn nnnnnnnnn n nn n n nnnnnnnnnn nnnnnnnn e nnnn nnnnnnnn nnnn nnnnnnnnnnnn n n nnnnnnnnnnnn nnnnnnnnnnnn nnn e nnnnnnnnnnnn nnnnnn e e nnn nnnn nnnnn nnnnnnnnnnnn nnnnnnnnn nnnnnnnn nnnnnnnnn U,L,N t,e U->Ut|t,L->t|Ntt|Ut|t|tUt|t,N->e|Nt|t|t N 54 tttttt tttt tttttttttttt tttttttttt t t t ttttttttt tttttttttttttt tt t tt tttttttt tttttt ttttttttttttt ttttttttttttt tttttttttt tttttttttttttt tttttttttt ttttttttttt tttttttttttttt tttttttttttttt e tttttttt ttt ttttt e ttttttt ttttttttttttt ttttttttttt tttttttttttttt ttttttt tttttttttttt ttt ttt ttttttttttt tt t tttttttt t ttttttttt tttttttt t e ttt ttttt t ttttttt tttttttttt tttt ttt tttttttttttt tt tttt V,C,B,T s,e V->Tss|s|sTss|e|s,C->e|Tss|s|e|Vs|s|e,B->s|s|sBs|s|s,T->Tss|sVs|Cs|s B 8 sssssssssssss sss sssssssssss e ssss ssssss ss ssssssssssssss F,L,R,Z u,g,h,q,e F->uZq|Rg|e|Lh|e|g,L->g|u|Rg|e|h,R->Lh|e|g|Lu|g,Z->Lgg|h|e|h|h|e|u R 47 hgquhhu h huhgqhu q ugggggghuuuuhg ghghuhuuqgh ghgq hgggquhhuhg gqquqq qhgqghuguqqgqq hghgqhh hhguq guuhqhuqqhquu u g qqgqughhhhqhu hq qhg hhhqhgguughuqh e gughu uuuqhuqhqhuq gugugqqhqugqq gh hugggghguquu gguhuugqugq uqug hguququughu ggquuhhuu uhghughghqg hqghh hquhgquguh ghhuqq qquqgugqgguhg ququhqqgh quqqhuuguuguh qqgqhugghuhh hqg uqqgqughuhgu ghuguhuhqgq guguhuqgquq hqhuquugqghq uuhg hqh ggqhqqquhgqq hhughu gugqu R,B a,d,f,e R->Bf|Ra|Ra|e,B->d|a|Rf|Ra|fBf|d|e|d R 7 ddffaafadddfff ffffda e daadddaffda dadaafadddaad afdaf ddaddaf D v,e D->Dv|v|Dv|Dv|v|vDv|v D 37 vvvvvvvvvvv vvvvvvvvvvvvvv vvvvvvvvvvvvvv vvvvvvvvv v vvvvvvvvvvvvv e vvvvvvvvvvvv vvvvvvvv vvvvvvvvv vvvvvv vvvvvvvv vv vvvvvvvvvvvvvv vvvvvvvvvvvv v e vvvv vvvvvvvvvvvvvv vvvvvvvvv vvvv e vvvvvvvvvvvvv vvvvvvvvvv vv vvvv vvvvvvvvvvvvvv vvvvvv vvvvvvvvvvvvv vvv vvvvvvvvvvvv vvvvvvvvvvvvvv vvvvv vvvvv vvvvvvvvvvvvvv vvv vvvvvvvvvvvvvv X,V,K m,h,k,e X->m|Vmh|Xh|Vk|h|e,V->e|e,K->e|Vm|e K 54 hhmhkhk khmhhmkkkh mkhkkmh khkmk km khk hkkhmkmk hhkmk khkhkhhmm hkhhmhm hkhhmk hmhmkh hkkhmkkhkmkm hhmhmkhhkhmm mmhmhkkhhkmkm mh h hh kkh hkkmmhkmmmmhm k khmmmkkmkmhmkh mkhhmhkhkk hmhkhkhhmkkhh kkhhhkkhkkkmk k kmkhkkh khhkmhhkkkmkk khhhmkk mkhhkhmmmmh hkhmkmhmkmkmhm m kmhkmhkhmhhkm hkkk khkmh hmkkh mk khkhhmh kk mhkhhmkhhhmmmm m k mhmkmkhmkhhmh kmkmhhhkkmh m e khkmm mmkmmkkmhhmkhh mmmmkmkk kkmkhmm hhmmhhmmhk hhhhhm mmhkk mkkkm V,M,T n,e V->Vn|e|nTnn|n,M->e|Vn|Mn|e|e|n,T->n|Vn|n M 52 nnnnnn e nnnnnnnnnnnnnn nnnnnnnnn nnnnnnnnnnn nnnnn nnnnnnn nnnnnnnnnnnnnn nnnnnnnn nnnnnnnnnnnn n nnnnnnnnnnn nn nnn nnnnnnnnn nnnnnnnnnnnnnn nnnnnnnnnnnnnn nnn nnnnnnnn e nnnnnn n nnnnnnn nnnnnnnnnnnnnn n nnnnnnnnn nnnnnnnnnn nnnnnnnnnnnn nnnnnnnnnnnnn nnnnnn nnnnnnnn nnnnn nnnnnnnnnnn nnn nnn n nnnnn e nnnnnnnnnnnnn nnnnnnnnnn nnnnnnnnnnnnn nnnnnnnnnnnnnn nn nnnnnnn nn nnnnn nnnnnnnnnnn nnnnnnnn n nnnnnnnn nnnnnnnn nnnnnnnn F,D,U a,e F->e|a|a|a|Fa|Ua|a,D->aFaa|Da|e|a|a|Da|a|a,U->Ua|e U 48 a aaaaaaaaaaa aaaaaa aaaaaaaaaaa aaaaaaaaaaaaa a aaaaaaaaa aaaaaaaaaa aaaaaaaaaaaaaa a aaaaaaaaaaaaa aaaaaaaaaaa aaaaaaaaaaaaa aaaaaaa aaaaa aaaa aaaaaaaaaaaaaa aaaaaa aaaaaaaaaaa aaa aaaaaaaaaaaaaa aaaaaaaaaaaa aaaaaaaaaaaaaa aaaa aaaaaaaaaaaa aaaaaaaaaaa a aaaaaaaaaaaa aaa aaaaa e aaaaaaaaaaaa aaaaaaaaa aaa a aaaaaaaaaaa aaaaaaa aaaaaaaaaaaaa aaaaaa aaaaaaaaa aaaaaaaaaa aaaaa aaaa aaaaaaaaaa aaaaaaaaaaaaa a e aaaaaaaaaaaaaa E r,e E->e|e E 11 rrrrrrrrrrr rrrrrrrrr rrrrrrr r rrrrrrrrr r rrrrrrrrrrr rrrrrrrr rrrrrrrr rrrrrr rrrrrrrrrr U n,e U->n|nUn|nUnn|n|n U 32 nnn e nnnnnnnnnn nnnnnnnnnnn nnnnnnnnn n e nnnnnnnnn nnn n nnnnnnnnnnnn nnnnnnnnnnn nnnnnnnn e nnnnnnnnnnnnn nnnnnnnnnn nnnnnnn nnnnnnnnnnnnn nnnnnnnnnn nnnnn nnnnnnnnnnnn e nnnnnnnn nnnnnnnnnnnnn nnn n nnnnn nn nnnnnnnn nnnn nnnnnnnnnnnn nnnnnn G a,b,l,e G->e|Ga|e|e|a|lGl|b G 50 laabaa lllalbbbbaa aalla baablllbb l bblababalllbbl lblba allb llba lllaa bla ballblbbaaaa ababbbbaalblb bblbab aaalb aababbl lbaalaallblab b bbbllllbbbab bbbalabbaabl bb aal ballba abllabl aaalbba a babbbbbllb baabbal bb llaallaaalaaal aalllblalbaba bbalabbablb lalaba e blb b lblllbabaaab llaabal ba allbabl lbl llblb bbll laaa bbblblabalb ablllbaaal bll aabala bb blllalabbaa P q,e P->e|e P 22 qqqqqqqqqqqqq qqqqqqqq qqq qqqqqqqqq qqq qqqqqq e qqqqqqqqqqqq e qqqqqqqqqq qqqqqqqqqqqq qqqqqqqqqq qqqqqqqqqqqq qqqqqqqqqqq qqqqqqqqqqqqqq q qqqqqqqqqqqq q qq qqqqqqqqqqqq qqqqqqqqqqqqq qqq V,U u,l,y,c,e V->l|l|u,U->Uy|u|Vcy|u V 19 ulclcyycluu cuuyycu e ylullu ucluyc e lyucuy ucuylclclyyy lylyuuclulyyy ylyycuuu ucyyucyyl uyyuyc yucylcuuclulll lluu e ycyl yllccylyuuuy ccyuccy ylulcclluyuyc A d,u,o,e A->d|Aoo|u|e|Au|o|o A 53 dodoodd uodoooooodo e uddooduouuo ououdduodoo oodood oououoddo duoododdddddo douu oooouooododuuo oouduuooduud ouuodooodoo uduouuuuo douoouo ouoou odoouodod oddoddu oou uuododuuoodo douuodood ooouooudouuo duouuododddudu doudduddo udoduudduo uooduoouuddd uuododddduuodo u udou oduuoo uuoouou uou uoouuduo udooud e uouuuddd oddoudu uooododd uu ddudduodu e e dououood o ouoouooouudddu ouooododoodd ouoddodooddd uoouooouooduod oodddooouo duuooduooo uouo e duuduooo ouddooud J q,w,m,c,e J->c|qJc|Jmw|Jm|Jw|e|cJm|c J 33 q e qmmcmcccm wmwmmqmc c cmcqcc qqwwqcqcccc qwqmwwqqmwmw cwcmmcqwqmmc wwqq mcc mmmcmwcwcc qwq mmqmccqwwc mwwqw mmmmwc qqcwcmcmqwm e qmmqmwmccc wmmwc wcm cmwmqmqmmc qwm cwqwmmqcmmwwq cwcwmcqcqmcw mmwmwqmc mqwmcmcccqcwqm qmwqqqmqwc cmwqwqmm mccwm wcwc wmcq mcqwmww M,A p,e M->p|Ap|Ap|p,A->Ap|p A 38 pppppppp ppppp ppppppppppppp p e pppppppp e ppp pppppp e pp pppppppppp ppp pppppppp e ppppppp ppppp ppppppppppp e ppppp pppppppppppppp ppppp pp pppppppppp pppppppppp ppp pppppppp pppppppppppppp pppppppp e ppppppp pppppppppppppp pppp ppppppppp ppppppp ppppp p e C,Q m,i,s,e C->e|iCm|Qis|i,Q->i|s|e C 21 ss mssssismsim iimimm msmiimi e sssmsm smm e ssmis mi mmmmmmmssis mmmmsmm mimsmissssmmsm mis m smmms mmmmmssmmmsss ssmimi smmimis iiiimmmsm mimimmmimii F,C x,o,n,t,e F->x|Ft|Fo|x,C->n|e|n C 35 xonnx xnttxoxt oont xtott ttoxonoxntn xxto nntnoonnoxnnot xoooo otnnoottnxxx nnooxxntttxto nontn oxnnoonoootto e e e xxoxxnntxnto ontnt oxtoxtoxtt nnontoxotnxoxo e onxont nnntotxn nxonnoxt t ntnototttn ononotnnnxnxtx nontotxn xxxtxn e oxtxxoxtotnttn ootxoonxx nnxtont oo otn e D,L,X,U q,r,e D->Ur|rLrr|r|q,L->r|r,X->Dq|r|q|Drr|Ur|r,U->e|r X 34 rrrr qrrqqqrrrrrr rrrrqq rrrqrrrrr qrrrrr rrqrrrr qrrqqqrrrr qqrrr qrqrrqrr e rr q r rqrrrqr rrr rr rqrrrqqrrrrrrr e qrrrqqr qrrrrrqrr rqrqqrrqrrrr qqqq rrr qqrqrqrrr rrrqrr rrqr qqrrqrrrrrq q qrrqrqqrrqqr rr qqqqrqrrrrrqrr rqqrqqrrr rqqrrrqrqrqrqq rrrrqr H,A b,c,e H->Ab|Ac|c|Ac|Ac|b|e|e,A->Hc|bHb|Ab|Ab|b|Abc|e|c H 52 bbbbcccbccccc cbcb c cc bccbbbcccc e cbcbccbbccbcbb bbcb ccbcc bbcbccccbcbc ccccbbcc bbc ccccbbbbccbb cbcbccccbcbccb bbccbbbbbbcc cbcbcccb b cbbcbcbc b e cbcbc b e bcbbcbbc ccccbbbbbbbccb bbccbbbb c ccbb cbcbbcccbcccbc cbcc cbcccbbc bccbccbccc cc ccbbbcccb bbb bbcbcbbc bc bbcbcbccb bcbbbbbcccbbcb bbccbb ccbccc ccbcbbcbbbbbc bcbbcbbbcc bbbbcccbcccb bcbcbccbccb bc cbbbccb bccccbbbcbccb cbcbbc bb e cbcccbccbbbcc X,V,T b,e X->b|b|e,V->b|Vb|e,T->Xb|b T 51 bbbbbbbbbbb bbbbbb e bbbbbb b bbbbbbbbbbbb bbbbbbbbb bbbbbbbbb bbbbbbbb bbbbbbbbbbbbbb bbbbbbbbbbbbbb bbbbb bbbbbbbbbbbbb bbbbbbbbbbb bbb bbbbbbbbbb bbbbbbbbbbb bbbbbbbbbbbb bbbbbbbbbbbb bbbbbbbbbbbb bbbbbbbbbb bbbbbb bbbbbbbbbb bbbbbbb bbbbbbbb bbbbbbbb bb bbbbbbbbbbbbbb bbbbb bbb bbb bbbbb bbbbbb bbbbbbbb bbb bbbb bbbbbbbbbbb bbbbbbbbbbbb bbbbb bb bbbbbbbbbb bbbbbbbbbbb bbbbbbb bbbbbb bbbbbbbbbbb bbb bbb e e bbbbbbbb bbbbbbbb K u,e K->uKuu|u K 44 uuuuuuuuuuuuuu uuuuuuu uuuu uuuu uuuuuuuuuu uuuuuuuuuuuuuu uuuuuuuuuuuuu uuuuuuu uuuuuuuuuuu u uuuuuuuuu uuuuuuuuuuuu uuuuuuuuuu uuuuuu uuu uuuuuuu uuuuuuuuu uuuuuuu e uuuuuuuuuuuu uuuuuuuuuu uuuuuu uu uuuuuuuuuuuuuu uuuuuuuuuuu uuuuuu uuuuuuuuuuuu uuuuuuuuuuuuu uuuuu uuuuuu uuu u uuuuuuuuuu uuuuuuuuu uuuuuuuuuu uuuuuuu uuuuuuuuuu uuuuu uuuuuuuuuuuuuu e uuuuuu uuuuuuuu uuuuuu uu I,F,Z k,q,y,i,e I->y|y|y|e|yFq|e|Zik|y,F->y|e|e|yFi|k|q|e,Z->k|e F 29 iyiyqiyykkky kqqiyiiyk kykkiykiqykyyk ikiiyiyikyi kqqi kiqyyikyii y kykkkkqkkqykq kykkkiyqkqi iiqykykqqiqki ikqkqq iqi ikyyiqk kyi qqyyqykiiqqqi kkiqikyiyyq kkyyqqkqiqk iykkyq qqqkiyqyikkkiy iyikyiyyqiiqi iyikqyqkqyi qqiyq kqiqk qqqyiyyiqik kyiiqqkyky e kkiiqiikyyiyq iqqqkykiyqyyqy kqykyqqiky A,T u,m,z,v,e A->vTm|z|m|z|z,T->Tu|m|vAz|e|e|z T 34 zzuuummvmzvvu mvuzumvvuu mzzv vv uuzvzvzmzzmmuu mvvmz uvuuu zmvmzzvm vvm vumvvmzuuzvzz uuummvvvm vvmvmummzvv vmm vvzzuzzv e uzmuzzzvu zz zvmzv vuu zvmvuuuvzuvu zvmvu vmuumuzumvzz muvuzmvmzm vzzumvmumzuz uzz uvmuuuummvu uvzuvvvuzvzvmm vum mvzvumvmvm vzvmmmumzz zzvummuzmumvzv ummzuz zzmvm vvvv I,R,H,Q,F t,s,i,l,e I->Ht|t|e|Qis|Rt|i,R->Rls|s|l|Rl|Is|It|i|i,H->Rl|t|Ri|sFi|Hl|s,Q->t|Fi|Ilt|e,F->t|Is|t|Fs|Fs|e Q 50 ttiiitltli tlstiti siltstii tsiisisti ltltiltillt sliss litilsislli ltltlilttssiti t sitl tst lststttltis e isl tsslit ttsi e liittlstts tillslsil llttltsisssiit l tistlslisstsls tlsssisilsiiis tsisllsslss lllsstst sttttttts is tiliiltt e it slst tllls lli lii sssi ttttitilsii sttsltsttstli liiiitillltttt iitltsl ti isttttitl ltlstiss lstitis e sltiss sti ltisil isil ttl t J,D v,f,e J->Dvf|f|f|Df|e|v|v|v,D->Df|e|vDff|v|Dfv|v|f D 23 vvffffvvv e fvfffvvfff fvvvvfvfv ffffvvvvvfvvfv ffffvvvfvvvv vvfffvvf vvf vvfvvvvfffvffv vfvfvfvvfvf e v vfvffvffvvv f v e v ffvfvf vfvfvvvfffvv vvvvffffvvfff vf vffffvvvf vvvfffvfvf Z,M l,t,a,r,e Z->a|Ml|e,M->Zt|Zr|r M 31 ltartaatar tlttt laallrllarara ltlllaarl e alrrltlalrrtta aa alttlrltrrtlar tltart tttaratlrtrltt lllltllarlalra ltlttlratrr lallrattlt altaltalrt rlattla llrltar rat e latllrtla rattlll t raalra e rlala e lrraraat ta e ltttrraa e arrrllrata N,A,V j,b,e N->jNj|Vb|j|j|Vb|Vj|j|b,A->j|Nj|j|Abj|bNj|jVbb|j,V->jVb|e V 21 bj j jbjjbjjjjjjj jjbjjbjj bjjbjbbb bjjbbjj bjjjjbbjjjj jjjjbjjbjbjj bjjbb jjjbbjbb bjjjjbjj bjjjjjjbjjjjj jjjjjjbjbjb e bjjjbbbjbb bjbjjbjbb j bjbjbj bjbbbjbbjbbj jjbjbjjjjb jjjjjb Z,I c,z,e Z->z|Zc|c|c|e,I->e|c|c|Zzc|Iz|Zc|c I 24 ccczz zzcz czccccczcccc czzz czczccczcczzz zzcccc cczcc czzzz zzczcczccczcc z e czzcccczczc zczzz zczcczc zcczcczcczccc czzczczz z czczc ccccczzcc ccccczcc c zzccccczzczc cczzzczcczzccc zc N,Y s,z,g,r,e N->Ys|z|rYs|r|z|g|Ys|z,Y->Ng|e|e|e|rNs|r|e|s N 22 e z rrzsggzsrgrz rssgzrgszss gz gzsszgrzzs sszgrgsrsgrrzg rsrsszrssrrggg rgzzs ssg rszgrzsszssgrz zsss srgggrsg ssrgrzzgzr gzsgsgsssz sggzsss rs rzszrrszssgzss zrrrgggsg s ssrrsz rzszsrsz L,X,K d,n,e L->n|e|e|Kn|n|d,X->Xd|n|Kn|d,K->Kd|Ld|Kdd|d|Ldn|e K 5 dddnd nnn dddddn dddnnndd dnnnnnndnnnd C,N,E,R z,g,r,j,e C->r|e,N->Cr|j,E->j|j|Nz|Ej|Nj|Ng|e,R->j|j|zNrj|Cz|z R 13 e jz jgzzjggjjrrjg gjg ggjrrr zjgzzzgzjjrr rjgr rjrrzrzgrjrgz zgjgrrzgzzjg gzzzj jzrjjj grjzrrgrz rzzgzzrj K,I,S d,n,e K->In|Sd|n|e,I->d|Sd|nKn|dIn|e|d,S->Sn|d I 9 dn nddnndn nnnndndndddn d nnnddndddddn ddddnnndnn nnndnnn ndddnnddddnndd ddd Z,O x,c,p,n,e Z->p|Oc|pOpp|p,O->c|p|cZc|e Z 19 cccxxpppcxnc pcpcpxnnxcnc npxcnppc npcnxcx ppn ccxpcpcxxpxc e xnxccnpnnnpxxc xncn xxcxnnn pxxxpxpcxnnp pcxp xccpx cn e xcxc e cxpn cc M,O q,p,z,e M->p|p,O->Mp|q|Mp|e O 42 ppzzzzzpqzzq qqpzzqqqzpzqpz z ppqqpqppp zpqzppqzqzpqq qpp pzz zzzzpzqppq zzpqzpppqqqqq pzzqzzppqpzqz qzq qqz z q zpz qzqqz pqqqqpzpp pzpz qzqzppp pzzqqzz pzzpzqpqppp pqzzppqzzqzz pzpzpqzzz ppzzqp ppzpzzqqqzz pqzzq qzpppqq qz qpzpzzz ppqpqzzqqqp zqqqqzp qqpzpqzqppp qzqzzpqzzpp qzqpzpqqqqqpp pqzpqqzp zzqp pppzpqzppqq q zqzqzqqqqppppp zpppq qzqzzpzpqzq qqzqppppz Q,F x,w,y,e Q->Qy|x|Qy|wFx|Qy|yQy|y|x,F->Fy|e F 47 yy wwwwyyyywwxww x yxwxwyyxwwwxyw yxxwyxywxwwwyy wywwwyyy xy ww xxwxxwxyywxxy wxwwx e ww wxxxwxwxww xxywxyxw wywy w wxwywxxwywx xxwxywyyx w wyyyyw yxxywxwy wyxxx x wwywyywyyxwxy e wy xx wwywx ywyxxyxxxyxwyw e wwwwxxyy wwyxywxwwyyxy e e xxyxyx xwywxxwy yxwyxyywxyxwwy yxwyyyywyxxx yywywwywwwyx xxyyywwxxxyyy xyyywyww yywxwwyyxxww wxywwyxwywwyw ywyw e wy e Q,W n,x,g,e Q->xQn|Wg|Qxn|x,W->Qn|n|Wxx|x|nQn|n|Wgg|e Q 32 ggxggngn gxxxn ng ngn g n nxxxggxggg nxnngggngnn nnngg gxn ngngnxgxgxng e nngn ngxgxxngxxn gngnx xxggn e xnggxxxxgxxxn gn xnxnn gnxnnnnxxgnng ggnx gnnxngxxxg gggnn gg ngnngnggg xgn nnxng xggxxxxnnnxng g xnnnggnnxg ggnggxgnnxnx I,Q,X,S l,e I->e|Il|Xl|l|Qll|l|l|l,Q->l|lQl|l,X->Ql|e|Xl|l|Xll|l,S->e|Sl|e|Sll|Ql|l X 5 lllllll lllllllll ll e ll U,T,P,H t,e U->Pt|t|Tt|e|t|e,T->t|Ut|tTtt|Pt|Htt|t,P->Ptt|Pt|t|Ttt|e|t|Pt|t,H->t|t H 15 t tttttttttttt ttttttt ttttttt tttt tttt tttttttt t ttttttttttt tttttttttttttt t ttttttt ttttttttttttt tttttt tttt G,I,X,E n,c,e G->Ic|n|Gc|e|n|n,I->e|Ec|c|cEcn|nIc|n|n,X->Ic|Ic|n|Gnn|n|n,E->Xn|c|nIn|Gn|cEn|n I 12 ccnccnccnnnc cnncn cncnccccn ccccnncnn ccnnnncc cnccccncn ccnnn ncncncnccnc cccnccccnc ncccnnn ncccnncnncc cccnn F,P,X,M q,d,e F->Fd|d|e|Fd|qMq|d|d|d,P->d|Fqd|q|Fqq|e|d|q|d,X->Xd|d|Pqd|d|e,M->d|Fd|d|Fd|Pd|d F 27 qddqdddqqdqddd qdqdq qqqddqqdd qq qqddqqdqdqdqd qq qqdqdqdqddqqq e dqdq qqdddd qqqdqdqddqqqqq qqqqqqddqddq qqqdqqqqdq d qdqqdq dqdqqqdqqdddqq dddqqd d ddqdddddq qqdddqd e e dd dqqdddqqqqqdq ddqddqqqqqq q ddqqqdqddqdqdq F a,i,e F->i|i F 30 iaaiaaaiaa iaiaaiiia iaaaaaiaia aiaa iiiaaiaiaaiaia iiaiaaaia iiiaaaiaii iaaaaiaiiii iaiiaiaai e aaaiaaia e aaia aaaiiiai aiaaai iii iiiaiiiia a aaiiaaiiaiaa e e ai e ai aiiiiaaaiaia aaiiaiiaaia aaiaiaiiaai aaiai iiiai aaiaaaiaaaiaia Z,I p,v,e Z->Iv|e|e|e|vZvp|v,I->vZv|Iv|e|e Z 48 ppvvvvpppppp vvp pvpvpvvpvvp vvvppvvvpppvp e ppvvppvvvvpp ppvpppppv pvvvvppppvpv pvpppvvpvp pvvvvpvvvvpp pvvvp pvv ppvppvpv ppvppvp vp pvpp ppvpvpvvvpp vpvvpvpvpvppp e vvvvvvpvv vvp v vvvppvpp pp vvpppv vpvvvvpvp pvvvvvpvppvvvv vp pppvvpvp ppvvpvppvpv vpvvvppppv v vvpvppvvpvvvpv vvvv vpvvvpp vpvpv pvvppvpvvppvp vpvvpp vv vvvppvpppvpv vvpppv vvvpvpvv vv ppvppppp vvpvvvvv vvvp pvpvpvvv vppvpv K,X,B,M,V b,s,e K->s|s|e,X->b|s|e|s,B->s|s|s|s|Xb|s,M->Bs|Xs|Ks|b,V->Kb|b X 48 b s bsbsssbbbbbbbs bs bsbbssbssssss bsbb bbsbb sbbbssb bsssbsbs bbbbbbssbsss bbbbsss bbsb bbbbbsssbsbb ssbbsbssbb bss bssbss bsb sbbssbssbbbssb bbbbbsss ssbb e bsb sb bbsb bbssbssbssb s bbsbbsbsbsbbb bsbbbbsbbsb bssbsbbsbsbss sbsssbbssbb sbbbsbssbbb bssbbbssbbbs bbbs bbs ssbbbb bsbssbbsbs sss bsbb sbbssbbbbs bbssbssb bbbsssssbsssb ssssbsbbbbsb b bbbbbsbsbbbbss bbssssss sbbb sbbssssb s S,E i,b,s,e S->e|b|s|Ssi|Ss|i,E->e|s|Ss|Si|i|e|i S 30 biiibiiibsbb ibiibbbsbbsbsi e iibbsiisbis bsiiissssibs b bbssbbbbbbssbi bis ibiiibbiii ibibiisibsbss sibb ssbsbsiib bbb issbbsibissbs s biiibssss siiiibii sbsss sbbsss isibss is e iiiib sbsbiib e bbbiib sbssbsbiss e ibbs siib C,T,W x,q,s,e C->Tq|e|e|Wq|x|Wq|e,T->x|x,W->e|Txx|Wqx|e C 9 xxsqxxxxx sssqxx e s qqsqxxqxxx e xx xx sx W,A,R d,h,a,e W->e|d|e|h|Rh|a,A->e|aWh|Wa|Ra|Rhd|Ra|Ah|h,R->hAd|Wh|Rah|Wh|h|h|h|h R 15 dhddhha hhadaddhha addahhahh ahhdhhhhhdhd hhhaaa hddah hhdahhhaddhhh had dahhdhhdhda e hhaaahh hdhahhd haddhdhddhhhh hhhdaah ahaad Q,T,S k,s,e Q->Tk|e|Qk|s,T->Tk|Qk|Qs|s|s|k|Sk|k,S->Qs|Tkk|e|e|k|k|Qsk|k Q 25 kkkksksssskssk e kkkkssks skssssk e kkskskkkkkk ksskskksss sskskkksskkkks kskskss kssss kskkkssskkkkk k skksk ssskkskks ksssksksssk ksskskkkskk ssskk kkks kskskkkssskkk ksskkss e ssksksksskssk e e ssskksksss B,K,V h,x,l,e B->l|Kxh|Kl|xKxl|lKh|x|x,K->Vl|x|l,V->Bx|e|Bhx|h V 18 hxxhx hhlhxlxhlxxlx xhxhhlh hxhlhxl xxxhxhhhlhl l hlhxlhlhlhllh ll xhllxxhhlhhlxl hxhxxlh lhxhhlhl lxlxxlx hxx e lhlhxlxhhlh hxhxxxhh e xxxxhlxlhllxx P,X,K,T,R s,r,i,e P->rTi|i|s|Tr|rRr|Ts|Xi|r,X->Xi|iKs|Ri|s,K->s|s|Tr|r|Ki|r,T->Tr|s|r|Ri|Rr|i|Ps|s,R->iXis|Xi|Ps|Ki|Ti|r X 39 iirsriss sssrr e rs risrrrissr ssisrsrirrsii siiisis ss rsrs si r rrrsrr iriirrssrirsr srsirirrsriir rririiirsssirr sir e isrrsrssrirrsr isssisrsiirsrr isssssri risss rsr isiirsssr rirr e isrsrrrsrr sissiriiiiri iisrsrss rrrsrsissssisr irrrsrirsii sissisrisss irr rsrsrriririii rsiissiiiris sisiisiisis rsss isrsiirsrr ir irsrsrrsiirri O,C,H,B,X c,q,e O->c|q|c,C->q|Xc|c,H->Xc|Cqc|Cq|Ccq|e|Occ|q|e,B->Oq|q,X->cOq|Hc|c|q|qXq|q O 49 qqcccqqccqcccc e qqqccqqqqccq cqcqqccc cqqcqq cqqcqcc ccqccqqccqcc ccqqqqqcqcqc cc qccq qcccc qqqqcqcc c cccccccqcqq c qqq ccqq qqccqc qqqqqcqcqqcq qqcqqccqq ccqcqqqccqqcqc qcqqqqqcq qqqcccqqqqqcqq qqqccqqqqcqc cccccq ccccqqq cqcqqcqqq cqcq qcq cqcqqcqcccc cqccccqcqcqqc c qcccqcccccqq qqcccqqcqq cccqqccq qqccccccqcqqq qqcccc qcqccccccq cqqqqcqc cqqcqccqccq qqc q q qccqqcc cqcqcqccq qqqq ccqccqcqcqcqc qqqcqqc e I,E n,e I->En|En|En|n|En|n,E->Enn|n E 29 e nnnn nnnnnnnnnnn nnn nnnnnnnnnnnn nnnnnnnnnnnnnn nnnnnnnn nnnn nnnnnnn nnnnnnn nnnnnnnnnnnnnn nnnnn nnnnnnn n nnnn nnnnnnnnn n nnnnnnnn e n nnnn n nnnnnn nn nnnnnnnn nnnnnnnnnnn nnnnnn nnnnnnnnnnnnn nnnnn C s,e C->Cs|Css|s|s|sCs|Cs|s|s C 48 s ssssssssss sss ssssssssssssss ssssssssssssss sssssssssss ssssssssssss ss sssssssssssss sssssssssssss sssssss sssssss sssssssssssss ssssssssssss ssssssssssss sssssssss ssssss e e s sssssssss ssssss sssssssss sssssssss ssssssssssss ssssssssssssss ss ssssssss ssss ssss ssssssss ssssssssssssss ssssssssssss sssssssss sssssssssssss ss sssssssssssss ssssssss sssssssssss sssss ss sss sssss ssssssss sssssssssss sssssssss e sssssssssss E,D,J,H s,k,e E->Hk|e|e|e|Dk|sJs|s,D->Ess|s|Hk|e|k,J->Js|s,H->s|sJks|s|Js|e|s E 29 sskkskss kkkkssk ksss skskkksskskssk kkkkskskss kksssskkk kk sksss kssskskssks kk sskskkkksss ssks kskkkkskkksks sksssssksk skskskkkskks e sk skskksssk kkkkskkkssss kkkssk sskksksssk s kss skskkk sskskksskkk sksksss ssskkssks skskk skkk E r,u,e E->r|r E 32 e ururr uuuuruuu ruuruurrrrurr uruuurruuruuur rrrruurru r ur uuurruruuuuu rruu urruuu uruurr rrru rr uurruuru rruuruuru rurrrururrur ruuururrr rru uurru ruu u ururruuuuuuu urrru uuuuurruur ru uuru ruuur rrrrrrrruuu ruuuuu uurruururrrruu rrrruruurr A,O z,t,e A->Az|t|tOz|Ot|t,O->Az|zOzt|Az|t O 26 zztztt ztt e zttztzz e ttttzttt zzzz zztt tzzzz zzz zzztzzzttztzt tt ttzz ttztztztzzzz tztzttzzz z tttzttz zzzzzztttttzt tzzt zztztttzztzt tzzzzzz zttt zztz zzttz tzt t F,Q,C f,x,p,e F->x|fQf|p|Qx|x|Cf|f,Q->x|p,C->Fpx|x Q 43 xxxxfxxxff ppxpxxxf pxxfxxxpxppxxf xfpxxfxffxfxx xpf xxpppxxxfxxpxx xxfffxxpppxfx xxpfpxxxxf fxffpffxfpx xxxx xppxfxpffp xpxxpp xxfxfxfxfpxpx xx x xxpxxffx xpxxxfxpxxf fxxfxxxfxxxfx ffpxf xxxxxfxxffxx e e xxppxf f xxxfxxfppfpx pppxfxpxf ppxfxxpxxx fxpxfpxxxx e pxxpf p fxxxxxffff xfpxxfxfpf xppf xxxppxpfxxffpf xxpffxppxxfx pfxpxfxpfx xxfpxfx ffffpfxxpxx fpxxfpp xpx pxxffxxxp xxxx F,O,X,Q,Z r,v,e F->e|v,O->Qrv|r|e|Qv|v|v,X->v|vOr|e|e,Q->v|Zv|r|Zr|v,Z->e|v O 30 rvvrvrrrvr r rvrvrvrvvv vrvrrvv vvvrvr vrrrvvrvrr vvvrvvr rvrvvvr vvrrvr rrvrvrr vvr rrrrr rrrrrr rrvvrr vvrvrv v vvrvvr v e vvvvrvvvvrvvvr r vvrvrrrrvrrrv rvvvrvvrvrv vrvrvr r rrvr rvrrrrvrr rrrvv vvrvrrrv vrv B,T,Q,J l,m,y,e B->Tlm|m|Tyy|mJm|y|m|m|y,T->Bl|Tm|l|Bl|Bm|l,Q->y|l,J->e|yQm|y|Jm|Tm|m T 40 lmyyl mlllyymlll lmlllmmmyyy ymmmlllylmm ylm yymmmmlmy e ll ylllmlmmyml ylmmm mmmmllmmmlmm mml llmllm mlmymmyyllym mmm mmlmylylyymml e mly mymm llmmymmymyyl mmymlyyymmmyyy mlmlmmymylm myylmmymmllmm lymlymmmm mymmylyyymll m m lyym mmlyylmmml mymmyymmmmlymm mmlyymymlmy mmmmmllymmlm mylmllmymyyymm mmmyyylmlyml yymm m llymmmmymymy mmyylm mylmmmyll mymmlymlmylyyy C k,g,j,e C->e|jCg|kCk|k|e C 12 kjj jjj jk jgkjkgjgkgkg gjk j kgjgkg kkgjjkjkjkkjj kjjggkjkgkg kggjgkgjkkg jjggkjkkkg e O,D,E c,e O->Dc|Ec|c|Oc|c,D->c|cDc|c|c,E->c|cEc|cOc|cDc|c|c E 30 cccccccccccccc cccccc ccccccc ccccccccc e ccccc ccccc c ccccccccccccc cccccccccccc cccccc cccccccccccccc ccccccccc cccccccc cccccccccccc ccccc e cccccccccc ccccccc cccccc ccc ccccccc cccccccccc c cccccccccccccc ccccccccc c c ccccccccccccc cccccccccccc L,E,B,N g,h,e L->g|g|g|e,E->Lh|Eg|e|Nh|e|h|e,B->g|g|hNgh|h,N->e|h|g|h|g B 21 hghg e hhhghghgggghh hhghgg hhhghgghhh hhhhhhhg hgh hh ggghhhhghh hh gggh hhhhhg hhgggh gghggggghgghg e hhhhhghhhhh e hghghhggghghg g hhhh gg G,O g,q,e G->e|q|e|gGq|q,O->e|g|g O 29 qggggggqggqgqg q e gqgqqggqq gggqgqqq gqqgqqq gqggqgqqgq qgqgggqqqqqgqg qgqqqqqqqqqg qgqqqgqqqq qqgggqqgqqqgg qqqq ggqqgqgggqgqg g qgqgqgqq gqgqqgqqg qqqqgqgqqggqgq gqgggqqqg gqq gqqqqgqqggg qqg e gggqgggqqqqg qgqqgggggqgg gqgqqgqg gq gqq qqqqq ggqgqqqqq N g,e N->e|Ngg|Ng|e|g|g N 14 ggggggggggg ggggggggg ggg gggggggggggg gggggggggggg gg gggggggggg g gggggggggg gggggg ggggggggggg ggggggggg e g S,J,E p,j,e S->pEj|e,J->e|Jp|p|pEp|e,E->Ej|j|jJp|Sj|Ej|j|p E 29 jppjjppjjjp jpjpjpppppjjp pj jpjppjpj ppj pjjppjppppppj jjppjp pppjj pjppjjjp jjjp jpp jjppjjjpj jjppjjpjpp ppjp jppjjjppp pppppjj jjpjj pjpj jjjpjppjpj jpjpjppj p jpjjpjj e ppjpjpppjj jpjppjjjjj pjjpjp jjpppppppjjpj j ppjpjjjjjpjjpj K,V,D u,s,r,e K->u|u|e,V->rDu|r|Vs|Vu|sKrs|u|e|u,D->s|e|u|Dru|u|e|e V 31 rsussusrssuu uurussuuuursru rssuuurrruu rrruus uuus ssssuuuuuuu u uuuususu uu ruu su ss sruurussuuusrs rrusuus usu uuuruuur ruuurs ususurssrs suursssrsusruu rrusu s rurrsruuu uusruususuuuur uuusr uususuurususu rsss rsus uruuuuu ursuusuuuussus s ussuuuuus N,G,W,H,R u,e N->e|u,G->Wuu|Hu|Gu|u,W->u|u|Wu|e|Nu|u|u|u,H->Gu|e|Ru|u,R->u|Nu|u|uRu|u H 16 uu uuuuuuuuuuuuu e uuuuuuu uuuuuuu uuuuuuuuuuuuu u uuu uuuuuu uuu uu uuu uuuuuuuuuuuuuu uuuuuu uuuuuuuuuuuuu uuuu Z,G,Y,E i,s,n,e Z->sZs|i|En|sZn|sEnn|s,G->Gss|iGsn|n,Y->e|sGs|Yi|Es|iGnn|n|i,E->Yn|i|iYin|n|e Z 5 inniissisisi ninissnin e ii sisinsss A,Y h,i,g,v,e A->Agh|g|e|h|Yv|g,Y->Av|i|gAg|Av|h Y 39 g i vivvgvihiigig gghvgvhgiiiv hvvighvvi ghhgvgiv hghgi hih ivvhvivhhhghgg ihg v e ggghggihgvi iihhiihvv iigghigggh hg hgvvghvvvv vgghvgvhvgvhg iggggi h i gvhhiiviivhh i vvggghiihg ivgih vvvighii ggvgiiig hhvhvhivii higghgihhgh ihhi hgihvihiv hgighvhvgvvgv ihvvghgghhgi hgghvhvghivh igiihiivhgvii hgghghvg hg gghighv v Z,M q,b,e Z->b|b|b|q,M->Zb|qMbb|q|q|Mq|q|b M 24 bqbbqbbbqb qbqbbqbqbb b bbqqqbbqqq qqqbbqbqqbqbqq qq bbbbb qbbqb qqbbbqqbqqb qqqq bqbqbbqbbbqqqb bbqqbqbqqb e qbbb qbqqbbbbbbqbqq bqqbb qbqbbbbbqqqqq bq qbqbqqqbqbqbb e bqbqqqqqqbqbqq bqqqqqqqq bqbbbbbqbbqqq qqbqbbbqqqbq R,I,A a,y,k,e R->e|Ak|e|y,I->k|Ia|a|y,A->y|e|y|y|a R 6 ayyaayyyayy yaykyykyyky kkyyyyykkkyyk yyyykaaayyyay kkykky kkaakyyy H t,b,e H->Ht|t|bHbt|e|t H 10 btt bttttttttttb tttbbtbtttbbb btttttbt bbbbb bbtbtbbbttbb tbttbtbttb tbtbtbtbbbbbtb bbbtbbbbtt ttttbtbbttbt H,P,G,W,R a,d,w,e H->Pw|Hd|Ga|e|Pa|dRw|Hw|e,P->aPa|e|dRdw|a|e|w,G->Rdw|d|w|e,W->Hd|w|e|w|d,R->e|Ha|d H 45 ddwdadaa dd e waaw awa adawwadda wadad a ad ad awawddwwdwwaww wawaw daddwwdwwa awaa dadaaaw awwadwad wwdaawawddawd waadaadddw wadawddawwdwda waa wwdddwdaawwda dwwwwddwa awwddwwaaa awaa ddwadaaaaw ddaaaw waaddadddadaa aa waaadwdddd daawwdaadd wwawwwa da waawdadadaaa wdawwddw ddwwaadadwddd ddaaaa adaaaawdd dwwaaa wd wadwadddwa awdwwdawdad dwaadwdwaww adaw adaddwaaaww ww Q,Y b,e Q->e|e|e|bQb|Yb|Yb|b|b,Y->bYb|Yb|b|Yb|Yb|e|Yb|e Q 40 bbbbbbbbbbb bbbbbbbbbbbbb bbbbbbbbbbb bbbbbbbbbbbbbb bbbbbbbb bbbbbbb bbbb bbbbbbb bbbbbbbbbbbbbb bbbbbbbb bbbbbbbbbbbbbb bbb bbbbbbbbbbbb bbbbbbbbbb bbbb bbbbbbbbb bbb bbbbbbbb bbbbbbbbbbb bbbbbbbbbbbbb e bbbbbbbbbb bbbbbbbbbbb bbbbbbbbbbbb bbbbbbb bbbbbbbbbbbbb bbbbbbbbbbb b bbbbbbbbbb bbbbbbbbbbbbb bbbbb bbbb e bbbbbbbbb bbbbbbbbbbbb bbbbbbbbbb b bbbbbbbbbbbbbb bbbbbbbb bb O,Y f,h,e O->h|h|Yh|h,Y->Yf|f|f|Yf|f|h|hYh|f Y 6 hfhfhfhfhf ff fhffhhhhfhhhhf fhffffffhffhf fhhffhffhf fffffhhfhhhfhh T,B h,e T->e|e|e|e|h|h,B->h|e|h|Th|h T 9 h hhhhhhhhhhh h hhhhhhhhhhh hhhhhhhhhhhhh hh hhhhhhhhh hhhhhhhhh hhhhhhhhhhhh C,A,O,M,G c,e C->e|c|Ac|c|cMcc|c,A->Ac|e,O->c|cGc|cOc|e|Ccc|Cc|c,M->e|e,G->Ac|Ccc|e|c A 15 ccccccc cccccccc ccc cccccccc cccc cccccccccccccc cccccccccccccc c c cccccccccc cccccccccccc cccccc ccccccccc ccccccccc ccccccccc G,N,T,B u,h,d,e G->u|Nu|h|h|Nh|d,N->u|Ndd|hGuu|u|Td|d,T->uGh|d,B->Nh|Bd|e|u|u|Nu|h T 20 u huuuduhdhdudu uhuhuhuhdddhuh udduhhdduhuuu uhuhuhuuduuhdu hduu duuuuuuhduh hdh hdduh uduu hhudhduhdudddh uduuhdduhd e huuh hduddddhdhhhu uduuu dhddhuhudddu huddh uhdhhduuddhddd hdddhdhuuhuduh Q,E,B,F a,p,s,d,e Q->e|e,E->d|e|e|s|a,B->p|Ea|p|Qp|dEa|Qp|Qad|p,F->s|e|Bs|Ea|e E 35 appddspa dda ppa dssadspssd papdsdssa ddpdpssadda ddappp pss pdad pdsp e dsaddps paasdsaaaapsp sdsppdsddap aapppssaappddd dassp dasddpdddpsd dadapdspssp pasdpppssaa apsddaddspaspa pddppdas apsdpapdssdd dadapasssadd asppdsdppapd d sadaaasdpsa asdsdpassapsd ppspds appsasdsspd appsspda pdsasapsd papdd dpaapp pa ddsad L,M b,e L->b|e|Lb|b,M->b|b|Lb|b|Mb|b|b L 51 e bbbbbbbbbbbb b bb bb bbbbb bbb e b bbbbbbb bbbbbbbbbbbbbb bbb bbbbbbb bbbbbbbbbb bbbbbbb e bbbbbbb bb b bbbbbb e bbbbbbbbbb bbbbbbbbbb bbbbbbbbbb bbbbbbb bbbbbbbb bbbbbbbbbbbbbb bbbbbbbbbbbbb bbb bbbbbbbbbbbbb bbb bbbbbbbbbb b bbbbbbbbbbbbb bbbbb bbb bbbbbbbb bbb b bb bbbb bbbbbb bbbbbb bbbbbbbbbbbbbb bbbbbbbbbbbbbb bbbbbbbbbbbbb bbbbb bbbbb bbbbbbb bbbbb bbbbbbbbb A,H,R,O q,s,e A->s|s|s,H->Oqq|qRs|e|Aq|s|e,R->sOs|sAs|q,O->s|s|q|s H 48 qqssqqssqsqsss sqqss sqqqsqsq sqqsqsqq ssqssssqqs qqqsqsqq sssssqqqqssqs qsqss qqsqqss sqsssqqs qqqqsqssqs sssqssqssq qqssqqq sqsqqsqsqsss e sqqssqsssssq sqssqsq qqqssss qsqqqqqsqs qsqsq ssqssqq ssssqssqqs e sqqsqqqqsqs e sssqsqqssqs sqqsssqq sssqqsssssqs qs qqqssqqqqsqs sqqqqsqsqqss ssssqsqqqss sqsq ssssssqsqqqsqq sqqqqssq ssqqssssqqq qqqssq ssqqqsss qqsqqqqsqsss qssqqsssqssqsq qqqqsqsssqsqq qsqqsss qssssqsqq sssssssqsqq sqssqs sqqqssssqqqsss sqqssssssqq qqsqqqqs P,I,J,Q,S l,e P->l|l|e,I->Sl|Sl|l|Pl|l|Jl|l,J->l|l|l,Q->l|Il|lIl|l|l,S->l|l S 30 lllllll llllll l llllllllllllll lllll llllllllllll lllll e llll lllll llllllllllll lllllllll l lll lllllllllll ll llllll llllllllll lllllllllllll lllllllll lllll llllllllllllll llllllllllll llllllllllllll lll lllllll llllll llll llllllllllllll e G,X r,e G->rGrr|Gr|r,X->rGr|r|Gr|rGr|r X 40 rrrrrrrrrr rr rrrrrrr r rrrrrrrr rrrrrr rrrrrrrrr rrrrrrrr rr rrrr rrrrrrrrrrr rrrr rrrrrrrrrrr rrr rrrr rrrrrrr rr rrrrrrrrr rrrrr e rr rrr rrrrr rrrrr rrrrrrrrrrrrr rrrrrrrrrrrr rrrr rrrrrrr rrrrrrr rrrrrrrr rrrrrrrr rrrrrrr rrrrrrrrr rrrr rrrrrrrrrrrrrr rrrrrrrrrrrr rrrrrrr rr rrrrrrrrrr rrrrrrrrrrrr D r,s,e D->s|rDs|r|r|e|s|e D 30 rrrrssrsr srsrsrsrr srrsrrrss srssssr rsrs rsrrsssrrr srrssrrrs rsssrsrs sssrrsrssrrrs e e sssrrs rssrssrrr srrrsrsrrs rrssrs rrsrsrsrr ssrs rs srrrrsrsr rrrsss srsrsr ssrrs rrssr s sssrsssss ssrrrsrrrrrr srs ss srrrssrrs srssrss G,Q a,k,u,f,e G->k|e|e|Qk|f|a,Q->Qu|Gk|kQa|a Q 42 ufauk a kkakuau aafauf kkkfaafkaf uaffuafkka kuaufuukkkukak affkkkkk akukaaa uauuukua fufkafka e ukuka uaufkuk fkaafakffkauff kakaauukuf fuaka fk kfufffauu fauufuuff kafaa fffkuukfuuuk fffaku kuufffkfufafuf fffafkfa kkkuaauf afffukaaaa fakuffkfk e uuak a fukaakukaaufua ak uafkkakkaff uk faauafa e ka auuaufaafaakfk af ukafaffafakuku fkkffkffuf L x,e L->x|xLx|x L 53 xxxxxxxxxxx e xxxxxxxxx xxxxxxxx x xxxx xxxxxxxxxx xxxxx xxxxxxx xxxxxxxx xxxxx xxxxxxxxx xxxxxxxxxxx xxxx xxxx xxxxxx x xxxxxxxxxxx xxxxxxxxxxxx xxxxxxxxxx x xxxxxxx xxxxxxxxxxxxx x e xx e xxxxxxxx xxxxxx xx x xxxxxxxx xxxxxx xxxxxxxxxxx xxxxxxxxxxx xxxx xxxxxxx xxxx xxxxxxxxxxxx xx xxxxxxxxxxxxxx xxxxxxxxxxxx xx xxxx xxxxxx e xxxxxxxxxxx xxxx xxxx xx x xxxxxxxxxxxxxx xxxxxxxxxxxxxx I q,w,c,d,e I->d|qId|wIq|Id|d|e|e|d I 53 cqwdcqq dd cqcwwwwqdwwdd e dccqwccwwccw wdcdwwwqdccwd cqcdcqdq cqqcdq ccc e qwcqqq cc dqdwqddddcqcc cdccqdc wwcdcqdqcc d dwqwwdwcdccqq qqcccqdw wqqwqqwcw ccqqcqc e wcqccqqqcdwdd qdd wddwwwqd dqqwcq wccwqccqdccdc qqwcdwqqqdd dqc c wwqcqq c dwcww qqcdwqwcqcw wwdwcwq wdcwddwcc wddccc ddcqqdqcqqdq wdddqqcwwdqcdd cddcdcqw wccw qdwwcdqcdqdcc dd wwd qdccqwcdddww wcdq wccqcdw wwcwddccdwcdd qdcc dccwwdwqqdcqw wcqwccqwdcqw qd qwddqddcwcdw wdq G b,g,e G->Gbg|b G 37 gggbgbgbbbb gbbgg bbbbbgbbbgbbgb bgbbbbgb bgbggbbbgbb bbg bbb ggbggbbbbg bgbb g bbbbbbgbb e b gbbgbbggbbbgbb gbbbbgbgbbbgbb ggbbgbgbbbgb gbbgg bbgbbg bbbbbbb bb gbgggbbbgbb bggbgbbbg bbbgg e bbggg bbgg bgb bbbbbbbgbbbg gbgggbgbgb bbggbgbgbgg b bbbbbgbbgbg bbbbgbbbbgb bbbgbbbbb bbbbbbbbbbbb bbbgbbgbbbb e B,N,D,S,J u,k,g,v,e B->u|kBg|kJu|u|uNu|e|g|e,N->g|g|e,D->Jk|Ng|Bvu|e|u,S->Jk|gDg|g|u|gNg|vBg|g|g,J->vSu|k|u|u S 7 vkkvkgguk uguu kvgkuvukkvuu uuvvu k ukuu k N,E c,m,w,e N->Ew|w,E->c|m|c N 18 mcwwmmwwcw mc mwmwmmmwcc e wmm cmcw ccmwwwwm ccm wm ccw mmmmmwwmcmcc cwwcmwm mcwww cccwmcccwm mmwmmw m wwcwm ccmwwm U,S,K,H,G y,w,q,e U->y|wHq|y,S->Sy|w|e|Hq|w,K->e|Sq|Hw|Hy|yUy|Hq|yGwy|q,H->y|Uwy|w|e,G->wSy|q S 19 yqwyywwqwy wqywqqqwqw yywyww e wyywy wyw yqwq yywywywyyy yqyw qq yqq wwqqwqwyq e e e qqw qw wwqyyyywwyqqww ywwqw W,I,T,P h,t,i,k,e W->h|Ii|Pi|i|i|Ikh|e,I->e|i|i,T->h|k|Th|i|Tii|i|h,P->e|kWht|h|Thh|e|k|i I 18 khhkkttihhiht ttkthti kkititkkkiht e ihkhiii e t ktkkihhk kki tthihtkkikiik t hk tktk thtkhkti ikthhktkihh kkhkittkhk ikhkitktikihki ikhhtithtkk S u,e S->u|Su|u|Su|e|u|u S 26 uuuuuuuuuu e uuuuuuuu uuuuuuuuuuuu uu uuu uuuuuuuuuuuuuu uuuuuuuuuuuu uuuuuuu uu uuuuuu uuu uuuuuu uuuuuu e u uuuuuuuuuuuuuu uu uuuuuuuu uuuuuu uuuuuuuuuuuuuu uu uuuuuuuuuuuuuu uuuu uuuuuuuu e O,G z,m,p,l,e O->Gm|Op|Gp|z,G->Oz|m|m O 53 plpllz zlmz m plmpzmlpmpmlp mlz llzz zzlm pz p llpmpzpplpmzll mp plm lpmz e lzmz llmpmplllp pmlzmzlzlppp mzzzmplllpppm pmmp lzlzzlzp lpzlmmpzzmpmm pmpppl zzmzmlplplzlll zmzpzmmzzzml mmmlmlllmlmpl zll lmzzmplpzz e mmlzlpmplpmp lpmplpllpzplzl lllzzmmzlmlmlp zzmlmzzpzlzz e zm zlmpplmmmpzm pz zmmlzlzpzmppp zlz mlpzmplllp mlzlmplm pppmzmzmzplmp pmmpmlmm lpmzll mlpllzll llmpplm m lzmpmz pmzmmm lzzmzpzmm mlzlzl zz p plpppppzml X y,q,w,z,e X->z|e|Xqz|y|Xw|w X 22 yw e yqyqqwqzwwqzqw w qqzqqwzzwy qqwyzy wwyqyywzz zqwq q zwwqqqzqqwq wwzzwqwyqwy yqqww qyq ywwzwzyqzwyz qw qzwwwqzzyqzq yqwywwq wyqqyqyyqqqz qzzqyw yyyyqyzwzzyzz wqwyzwwqyyq yyyqqwz O,F m,s,e O->e|mFm|Fm|sFs|Fs|Fm|m,F->Om|Fs|e|Om|e|s|s|s O 12 smmmmssssmmm mmmssmmmmss mssmmsssssss smmsmmss smssms mssmmsm ssssmmsssssm msmsmm mmmms mmmmmmssms smsmsssmssmsm m T,K,P,Q,W f,x,e T->e|f|Qx|f|Kx|x,K->Kf|x|f|f,P->x|f|Pf|x,Q->Qf|Qf|Tff|x|x,W->e|Pf|x T 22 xffxxxxx fxfffxxxx fffxxxfxf x xxxxfxxffxf e xxfxffxxxfff fxfxf xffffxxxxx fxfffxffffxx xfxxfxfxxfxx fxff x xfx xfxf xf xfxfffffxxfxx xfxffxffx f xxxf fxxxxxxffxffxx xxfxffxxxxxx A,D,T,N,H g,e A->e|gTg|g|gDgg|g|gTg|g,D->Dg|g|Ag|g|g,T->Ng|g,N->Tg|g|e|g|Ngg|gHg|e|e,H->Hgg|e A 35 ggggggggg ggggggggggg ggggggggggggg ggggggggggggg ggggggggggggg gggggggggggggg ggggggggg ggg ggg gggggggggg gggggggggg ggggggg gg ggggggggggggg e g gggggggggggggg ggggggggg ggggg gggggggggggg ggggggggg gggggggggggg e gggggggggg gggggg gg ggg gggggggg gg ggg ggggggg ggggggggggg gggggggggggggg ggggggggg ggggggggggg S,L t,s,e S->e|s,L->t|s|Ls|St|s S 45 tsttttsststts ts sstssttst tttsttsttstsst tt ttstst sttssttts tstssttss sts sssttsstttsstt sstsssstst ttttsttt tttstsstt stsstssstsst ssssstsstsstss sttstttts ststtsss sssstsstssttt ttssttstsstst ssttttsssts sttststtst stss tsststssstttt sttsstsstttss e stssstssssts ttttsstss tsttstt tsss t sts tstssttssttsss stttstsss s ssst ts e ttststts stttstsstsssst tsts tstttssststs sstsststsstsss ttssttttt tststtstss ssttsssssssss P g,q,w,e P->q|e|Pq|g|q|q|Pq|w P 36 qggwwgwqgggq qwqqwqgqwgqgw ggwggwqggg wqggwqw ggwqgwqqwgwg w q qqwqgwgwwwgggw wgwqwgwww wqqq gg e qg ggwqgwwwq ggwggwggq gwgqgqg gqggwqggqggw qwqwwwqgg wqqgwgwqw qqgqqwwgggw wgqwqww qgqgwwqg qggqw gggggqwwg gggqqgwq ggwwqqwwg ggg qwq qgg qwgqqqgwggwqwg qgw qwqqqqwgq gwwwwqwqqqq qgwqqgq g wggqgqw G,M,J f,h,e G->f|f|Jf|h|h|e,M->Jff|Mhf|h|Mf|h|h,J->h|f J 23 hh fffhhfffhffhh ffhh fhhhhffhfhhf f e e e e h hhfhffhhh hhfffhhfhhhh hhhhfhhh hfh e hf hhf ffh fffhfhhh fffhhf e hfh hhhh Y,N o,g,e Y->e|gYo|g,N->g|Yog|e|e Y 37 ooooog goggogogo gggogg e ooooo g gogg gooooo oggoooooooogg oogooooooo ggggggoogogogo ggogggggg e gog oogogoo ggoo ogoooooggooo ooooo gggogoggoo o e o ogoooogogogg oggggoo ogoggooogo oooo o gogogg oggggggo e oooogogggggggg oo g ooogogggoogggo ggoooggg ogggooogggo ggg H,L,A g,l,j,q,e H->j|g|Ag|g|Lj|g,L->jLl|q|l|g|Lg|q|q,A->e|Hg|Hlg|j|l|jAg|e A 18 qjqql lq gljll qqqjqlgjjqjl jj jljlqlqgqqlqjq l qqqlj llqlljgglgjqjj jjjgggllll gllqljqlljl jgjjgjqgjgjg glqq qqgqlllqgqj qjqqljq gqgljggq jggjljgjqjql lqqqlljjgqlqj K s,i,g,e K->s|Ki|Kig|Ksi|i K 51 ssss sss e sgssssiis sissi e gissgsgsgiss sgssgsiggsss e ggs sggss sigisg igggiisggg igiisiisgsis ggsi gis isisg issgssi sggiiissgiii sg ggsigssgss gsgsis sgsg gi sgii sgi sigisisi s sgiigsisggiggs sgggsissgi ggggsssgis ssssg sssssgsigisgi igissis gigsgsssgsss ggssggiss isis gsssssggssig gsssssiissgiis ssg g ssssgissg e e sssssg e isssigssgs gsigi sgisiisgissis gsissss igsssisiii F,N,K,L i,l,e F->Kl|Lii|i,N->Li|i,K->e|e|i|Lii|i|l,L->i|Fii|Li|iNi|Ni|l L 17 liii liiliiiilliiil e iiiiiiiiiiiii iliiliiilll iliili liilliiiii iliiiiiiliiil liiilliii liiliiiiiii lliiiiiiiiliil iii liii llll iii lliiilillii iiiiiillllil X,Y,G t,e X->t|t|e|Gt|t|t,Y->Yt|t|e|t|e,G->Gt|Ytt|Yt|Gt|t|t|t X 21 tt e tttt ttttttt tttt tttttttttttt ttttttt ttttttttttttt ttttt ttttttttt ttttttt tt tt ttttttttttttt ttttt e ttttttt ttt tttt ttttttttttt t D,E,X,Y y,m,e D->Xy|Xy|Ym|y|Dm|e|y,E->y|e|y|e,X->y|m|y,Y->yYmy|Yym|Em|y|e|yYy|y D 34 yymm myymymy y myyymy yy yyyyyyyy yyymyymmy ymyy ym ym ymmy ymmyyy ymmym yymymyyymm m yyyymmm yyymyyy yymmmyy ymmmmyy myyyyyy e myyyyyy e yym yyymyyymmm myyymyy ymmmmmyyyyyyy yyyyyyy ymyyyyymmyyymm myyymmmym yy yyymyyy yyymyymmm myyy T,E a,p,e T->Tpa|Ea|p|e,E->pTp|e|Ta|p|Ea|e E 36 ppaapppappaaa a aaaap papaappaapaaa ppapppaap pp aaappp aaaaa appap p ppapap paaa apapaa p aaaaaapp appaaaaaapapp aapapaaaap paaapa e papapaap aa pppap p p paaa aaaapppppaapp ppp apaapppppppapa aapppa pap pppaaaa apppaaaaa aaaaapapapppa e aaaaaapp ppaaaaaap T,E p,e T->e|p|p|p,E->Ep|pTp|p|p E 44 ppppppp ppppppp p pppppp ppppppppppp pppppppppppp pppppppppp pppppppp pp pppppppp pppp ppppp p ppp pppp pppp pppppppppp pppppppppppppp pppppppp ppppppppppp ppppppppp ppppppp pppppppp e ppppppppppp pppppppppppppp ppppppppppp ppppppppppp pppppppppppppp pppppp pppp ppppppppppppp pppp pp ppppp ppppppppp pppppppppppppp pppp pppppp ppppppp ppppppppppp ppppppppp p pppp B a,e B->Ba|Ba|a B 39 e e aaaaaa aaaaaaaaaa aaaaaaaaaaa aa aaa aaaaa aa aaaaaa aaaaaaaaaa a aaaaaaaaa aaaaaaaa aaaaaaa aaaaaaaaaaaa aaaaa a a aaaaaaaaaaa aaa aa aaaaaaaaaaaaa aaaaaaaaaaa a aaaaaaaaaaa aaaaaaaaaa aaaa aaaaaaaaaaaaa aaaaaaaaaa e aa aaa aaaaaaaaaaaaaa aaaaaaaaaaa aaaaaaaaaa aaaaaa aaaa aaa K,N,Y,C,S t,l,s,z,e K->s|tYz|z,N->Yz|sSt|e|Yz|Nl|s|sCl|e,Y->s|Kt|s|e,C->t|Yz|e|Kl|s,S->z|Ct|Sll|l|e C 31 szsls e tzs zzlsltzztzlt ttt tststszzlst lzszlltt l sltls ztssssllzlszz t ttzzslztzztss lzssllzts tstll ttlsz szsstsl lzszzlls tzzts ltstlztzzlzztl stsss zszltsszzsslz stztztssltzsl ztlszslz ssststt lzzzszlllzsz zllllt stlztltzzllzs z zlllszzsl llzzstls zszlss W,I,F,M u,h,e W->e|uMu|h|Fu|h|Mhh|h,I->Fh|h,F->h|h|h|h|e,M->Ihh|h|h|Fu|e W 8 huuuhhuhhu uhuhhhuuhhhuhh uuhhuuhuuh hhuuhuuuhu uuhhu uhhhuhuuuhuuuu huuhhu hhhuuuuhhhhuh B,V,L k,q,e B->e|Bk|qBk|q|k,V->e|e|Lk|k|q|Vkk|Bq|k,L->e|Bk|k|k|k V 23 qqkkqkqkqkk qkkqkkqkqqqk kkqkkkq kqq qqq q qqqqkkkqqqk qqkkqqkk kqqqqkqqkkkq kkk qkqqq qq kqqqq qkkqkkqkqqkqqq kqqqqkqkqk kkkkqqkkkqqq k kkqkqqkqqkqq qqkkk kkqqqkkk qk q qqqqqk M,N,B m,j,r,n,e M->Mm|Bn|r|m|e|Bm|e,N->Mr|r|n|r|Nn|Mj|m|m,B->r|m|e|jNr|Njn|j B 43 nnnrr nnnm rrjrrmmrrmjjjj nrjrjjmnnjnj rrjrmmrrjnrrjr jnjnnrn rnmnrrjjmrnrjm rrrnrnrmjmn jrjjnrjrrmnjjr mmmmrrn nm mrj njnn mnnnnnnnrjnn nrmmrmmnnrr mmrr rrnjjrmjrmjjj mrrrmjnm rjjjrrjmmnj rj rj rj jrnmmrmmnmn e m mmjrjnmrm jrjrjmrrrjmm rm jmj rmmrmmrjmjnnmr mj jrnnjnmjjnjmn mmmjjnnmmnrj nnnm jmrrjmnn mmjrmmrnrjjrm rmmrrjnjmmr jjn nmmnnjmnmnn jrm mnnjjrmrr jm jnmn K,J z,e K->Kz|zKzz|z,J->Jzz|Jz|Kz|z|zKzz|z K 25 zzzzzzz zzzzzzzzzzzzzz z zzzzzzzz zzz zzzzzzzzzzzz zzzzzzzzzzzzz zz zzzzzzzzzzzz z zzz zzzzzzzzzzzz zzz zzzzzzzzzzzzzz zzzzz zzzzzzzzzzzz zzzzzz zzzzzzz zzzzzzzz zzz zzzzzz zzzzzzz zzzz zzz zz D,Z,C,M y,x,k,e D->Zk|y,Z->Dy|x|e|Ck|Dky|e,C->Zxk|y,M->Zx|Zxy|Dk|kMx|x|Ckk|k M 33 xxxxxyxkxyyxy e xyxykkyxykky e kkxkyx yxkkk xykxyyyxxkkk e ykyxxkxxkkxkxx xxkykyykyyk xxkyxxykxykyyy x kyykxyyyx yk yk xkkykykkyxx e xxkk kkxykkxkxk ykyxkykxkk xxx e xkyxx k ykyx xx xxxkyxyyyxk kkkxyxykxkx kxkxkkk kkkkyky yyxkxykxxxky kk yxyyxy Y,J,N u,j,t,f,e Y->Nt|Yj|Yu|f,J->Yj|Jj|u|Jj|f,N->t|e|f J 29 tutfjj ffjjjfufjufttf e tjt jftftjjf tujuu jtu uuujuut ttj ufjtjutttj fuutjjfjjjutuf ftfjfujuj fufffuujjfujuu tjfufjtu ttttjjjttfjtj ujfjuf ufuffjjuf e jtjfujuuf e jtjtjfjtujj jtfffftfutjfff jujujfttft ufufufuttttu t uujfuuffttjjf e e fjjtjjttjjuuut T c,r,o,w,e T->Tr|w|Tco|o|o|Twc|w T 33 wc rwowccw ocwcccr wccooooccrwccw cwrw wroowrooocrc coororrwcorr e cwr wwowwrowcorro ccwwrcwwo orcrwr oorrcrwo orwcw woocrrrowrrwc wroocowrcocrrr crwowrr wrwcrr or wowwowoorw rccwcwrcworw roroooorw owwrrc cwocc crwrrwwowrcow cwccoworoocwwc cw rccrwcrororw wrowcrrwcrwoo orwrwc rco wrooowrcowor orowccrowowooo C k,e C->k|kCk|Ck|k|k|Ck|e|e C 7 kkkkkkkkkkkkkk kkkkk kkkkkkkkkkkkkk kkkkkkk kkkkkkkkkk kkkkkkkkkk kkkk F,B,S r,b,t,e F->e|tSbt|t|b,B->r|Fb|r|b|b|b,S->Fb|t|t|b F 11 rtbrbttbbrrbtb rttrrttbr rttrbbtbrbttt brtt btrtt e rbttbttbtt rrrrrbtbr trtbrrtrt ttbtrtb ttrbtrtb Y,A c,e Y->Yc|c|Yc|c|c,A->cAcc|c|c|e|c|e Y 18 ccccc cccccccccc ccccccccccccc e ccccccccc cc ccccccccc ccc ccccccccccc cccccc ccccccccccccc ccccccccc ccccccccccc cccccccccccccc cccc cccc cccccccccc e Y,Q,F i,z,o,c,e Y->e|i|Fi|Yzi|Yi|o|o,Q->iQz|o,F->i|cYo|c|e F 45 ccozi ozoc cic ocoiciozo ozciccoczi ziciioc e ic ziicziiozzo cic ooiizii ci zzziicz cozizzccc zocooiizoiiio zococcicizociz o coioi zczczoocc cczcoiiz iioooccooiiocc e izzzziizccozz zicoiiio ozzcic oczoczoczccco zzziczoiozii ci zzizci e izozcoocz zcziczizioc coc icczzc iiic oiicc zzocooczccozo oicozcz coz oi ccioizczczioi coocczii e zz ociccczi F,X,N,J o,e F->o|Jo|o,X->Xoo|oNoo|e|Xo|o|o|o,N->oJo|No|o|oXo|Fo|Xo|o,J->e|Fo|o|o J 28 oooooooooooooo ooooo oo oooooo oooooooooooooo oooooooooooooo ooooooooooo oooooooooooooo ooooooooooo ooooo e ooooooo ooooooo ooo oooooooooooooo ooooo ooooooooooooo ooooooo e oooooooooooooo ooooooooo oooooooooooooo oooooooooo oooooooo ooooooooooooo ooooooooooo oooooooooooooo oooo M w,e M->Mww|Mww|Mw|w M 50 wwwww wwwwwwwwwww wwwwwwwwwww wwwwwwwwwwww wwwwww www wwwwwwwwwwww w wwwwwwwwwww wwwwwwwww e wwwwwwwww wwwwwww wwwwwwwwww wwwwww wwwww wwwwwwww www ww wwwwwwwwwwwwww wwwwwwww wwwwww wwwwww wwwwwwwwwww wwwwwwwwwwwwww wwwwwwwwwwwww wwwwwwwwww wwww www wwwwwwwwwww wwwwww wwww wwwwwwwwwwwwww wwwwwww wwwww wwwww www wwwwwwwww wwwwwwwww w wwwwwwwwwwww wwww wwwwwwwwwwwwww ww w ww wwwwwwwwwwww wwwwwwwww www wwwwwwww V,Z n,x,h,e V->h|Vnx|n|h,Z->h|hVx|h Z 46 h hhxxn nxhxhxhxnn xxnxnhxnhhnx e e hx nhn h xxxxxxhn nnnnnnhnhnx hhhx xhnxnhn nxxhxxnnxx hxnnxxnxxxx xhnxn xxnhxnn h n nxnnnxx h xxnhxhhnhhxnxx nhnxxnnhhh hhxxxnn xxhxxhhnhnxh nnxxnxnhnhxhn nhnhnhnhnnn hxhxnxnnhhhnxn hhxnxnnhxhxnnx e xnnxhhnxnhxh nnn xnhxxnhxhnn nnnxnhhnnnxhxn nhxh xnnhhnnxxnnhh xnxhnnnxx hxhxnnhxhhxn xnx e nnhnnnnnn nxxxxxhhnhnn nnh xhhxhxnxhnxnnn nnnxxnh xhnxhxxnxxx N,H,G,X t,x,e N->tNt|Xtt|e|x,H->Xtx|t|t|x|Nx|t,G->x|x|Hx|x|tHx|x,X->tXt|x N 42 txx tttttxxtxxxxt xxx tttxtxtttttx e xtttxxtxtxtxt txxxtt tttxttxt tttttx xtxt x xx xxtxxxtx xxtxtxx tx xttttxxt ttxtxxtxxtttx txt txxttxtttxtxtx ttx ttxx xx txtxttxtttttt ttxxxxtxx xtttxxxtt xxtxtxtxxt txtttxx xxxtt xxtttx tttxttxxtxxtt xtxxx txxxxxxt xxtxttxtxxtxxt ttttxtxxttt xx txxxxt xxxttxxtxxttt txtxx txxxxx ttxxt xxttxxttxt ttt H,W d,x,q,u,e H->dHd|u|Hd|u|u|d|Hd|u,W->e|u|uWxx|Wqu|Hu|u H 8 xqdqqdqq duxquq xuqxduxdu xxduuuqd qqxd qxdqdqqqxxqqdx dquddx uqudxx Z,L,A,N,Y w,e Z->Yw|e,L->w|Yw|Yww|Aw|Lw|Lw|w,A->Yw|wAw|e,N->e|w|Aw|e|wAww|e,Y->Zww|wLw|w|e Z 35 www e wwwwwwwwww w ww wwwwwwwwwwww wwww wwwww wwwwwww wwwwwwwww wwww wwwww wwwwwwwwwwwwww wwwwww wwwwwwwww wwwwwww wwwwwwwwwwwwww wwwwwwwwww wwwwwwwwww w wwwwwwwwwwww wwwwwwwwwwww wwwwwww e ww wwwww ww wwwwwwwwwww wwwwwwww e wwwww wwwww ww wwwwwwwwww wwww Q,F,T h,p,e Q->h|Qhh|e|e|Fh|Thh|h|p,F->Qp|Fhp|e|Qp|h,T->Qhh|p|Qpp|p|p T 39 phhph hph pphppp hpphphhhpp hphppppphhhhp pp hphpph p hhhphphp phhppppphhhhhh ph e pppphhphpphhpp hppppp pp hhhp phhhhphphhpph pphphhphphpppp pphhhpph ppphhhphhppph pphhpphhpp pphhhphhp phhphhphh hphhphhhpph hphphphph e hhpphp phpp hpphphh hhpphhphp pph pppphphhphhpp phpppp pphhphppphphp hhhhphhphhh hhhhh ph hhhhph phphph J,F,I,X g,o,e J->gJo|Ig|Jo|e|e,F->gJg|Jgg|gJgg|Joo|Jg|o|Xgo|o,I->Fg|Xo|gIo|e|Xg|o,X->Foo|gFoo|Jo|g F 42 oooogggo ogg gggg og ooggggoooo ggogoogggo oggg goooggoooggoog oggg o oggggo ooogg ogoo ogooggogoogo gogoo e ggog ogooogggog ogooooogoogoo oooggoog ooo o ggggogoo gggoooooogogo oogoo gog g oooooo ogogggogoooo oo go ogggog oggoogogggggo g o oggoooogogo ogggg oogoggoooo ogooooogoooo ggoogogggogg goo ooog P u,h,x,e P->u|u|u P 50 xuuhhxxxuuhhxh huuxuxxxuu uhuxu uu uuu uhuxuu uuuuhxuhux huhh uuuhuhuxuuxhuu u uhxhuxxuuuu huh e hu xuxhuhuxuu uxu uxu x xxhxxxhxxhhhuu uu huuhuxu uxxu uxuuuuhuu xuuuhxxuuuxhu hhxuxh uuxuhhuuhhuu e uuxu hhhxhhuxuux uhuuxxhhhxuuh uhuhxxuuxhhu uxuu huhuhxxxuxhuu xuuuu uuxuuu u e uxxxhxuuhhux uuuhxuuxhuhhu uxxuuxuhuux uxuhu u huuxuxh uhuuux uuxuxhxxxu uuh uhxxuuhhuhxxu uuxuuuxhuu hhuxuxu u V,O,R w,e V->e|Vw|Rww|e|Rw|w|w|e,O->e|Vw|w|wOww|Ow|w,R->e|e|w O 19 wwwwwwwwww wwwwwwwwwwww wwwwwwwwwww wwwww wwwwwwwwwwww wwwwwwwwwww wwwwwwwww wwwwwwwwwwwwww wwwwwwwwwwwwww wwwwwwwww www wwwwwwww wwwwww w wwwwwwwwww wwwwwwwwwwww w wwwwwwwwwwww wwwwwwwww T,Y,I,U r,o,q,e T->Yq|o,Y->Tr|Tr|q|q,I->o|oTr|r|e,U->q|o|Yrr|oUr|Uq|q|Tq|e Y 38 oororrrrrro rqqqooqqq roorqroqrqq or qrrqqqqrrrrro e rroooooqorrrr rrororqqqq e o rroq qrrqr roqrqqqrr qoq ooqrrqqqqqrq qor orqqooqor ooorq orqrroqorroq qqr rorq qrqrrrroq e rrroqorrrrr rqo qqrooooq ooooooooqqoro roooooroqqorq ooroooqrorq rrooqr oqrooqqqr e qorqrooq ooorqrq rrqrrorqqqqrqq rrooroqrr oqqroqroqrrqr qqq F,Q,P j,u,e F->Fu|u|j|Qu|uFu|j|Quj|u,Q->j|j|jQuj|uPj|j,P->Pu|Fu|Qu|uQj|j Q 36 uujjujujjujjju uu uuuuuuju u uju uujuuuujj ujujuujuuju jjuujuuu j juj uuujjuujjujjuj uujuuuuuuju uuuuuuuujujju juuu u e juujjuuuuuuuj juujuuuujjuuuj jujuuuuuuuj uuuu uuu ujjuu uuj uuuuuuju juuuujuuuu uuuujjuuu uu ujuujuujuuuuju jjjuuujuuuj uujjuuu ujuuju uujujjuuuuu jjuuujjuuuu juuu u jujuuujujuu D,P,K c,e D->Pcc|c|cDc|c,P->c|Kcc|Kc|cKc|c,K->c|e|c|Pcc|cPc|Dc|e|e K 42 cccccccc cccccccccc cccccccccccc ccccc cccccccccccccc ccc cccccccccccc c cccccccc cccc cccccccccccccc ccc cc cccccccccc ccc ccccccccc ccccccc e ccccccccc ccc ccccc c c e cccccccccc cc ccc ccccccc c cccccccccccc cccccccccc e cccccc cccc ccccccccc cccccc ccccccccccccc ccccccccccccc cccccccccc cccccccccccc cccccc e U,N,P,Z j,e U->Pj|j|e|Pj|e,N->Njj|j|j|jZj|j,P->e|j,Z->e|j|Nj|j|e U 54 jjjjjj jjjjjjjjjj jjjjjjjj e jjj jjjj jjjjjjjjjjjjjj jjjjjjjjj jjjj jjjjjjjj jjjj jjjjjjjjjj jjjjjjjjjjjjj jjjjjjjjjjjj jjjjjjjj jjjjjjjjjjjjjj jj j jjjjjjjjjjjjjj jjjjjjjjjjjjjj j jjjjjjjjjjjjjj jjjjjjjjjjjj jjjjjjjjj jjjjj jjjjjjjjjjjj e jjj jjjj jjjjjjjj jjj jjjjjj jjjjjjjjjjjj j jjjjjjjjj j jjjj jj jjjjjjjjjjjjjj jj jjjjjjjjjjjjjj jjjjjjjjjjjj jjjjjjjjjjjjjj jjjjjjjjjjjjjj jjjjjjjjjjj jjjjjjjjjj jjjjjj jjjjjj jjjjjjjjjjj jjjjjj jjj jj jjjjjj jjj H,U,R,W,T c,j,v,e H->Hcc|Wv|Rv|Tcc|c|j,U->c|jTv|Hvv|jHcv|jTj|e|e|c,R->c|cWv|Wvc|Ucj|c,W->j|Tcj|Hv|Tj|j,T->Uc|Wj|c|Tc|Rj|c T 41 cvcjvvccccc e j c ccvcjc cccccvcvvvjjcc j ccccjjccvjcvc vvjjj ccvccv ccccvjjcvj cj vccccjjvccvj cjjccccvv cj ccjccjcc cc e cvc ccc ccjcvccjcjvjj jcccccvvcvcvj cvc vjccjjcvv cjvcccjcccccc cj jjjccvccc c e ccccjvjjjcc cccccvcc vjv e jjc vcvccccvjc c jjjccjccvv cccjc ccvjcv cjccccjvc cjcj O p,j,e O->e|pOp|p|p O 13 jppjpj pjppjjpppppjp pppppj ppjjjpppppppp jp jpp jp pppppjjjjpjpj e jjjjjpjpjppp ppjj pjppjppjpppp ppjppppjjpjjjp F u,e F->Fu|u F 34 uuuuuuuuuuuu u uuuuuuuuuuuu u uuuuuuuu uuuuuuuuu uuuuuuuuu uuuuuuuuuu uuuuuuuuuu uuuuuuuuuu uuuu u uuuuu uuu uuuu uuuuuuuuu uuuuuuuuu uuuuu uuuuuuuuuuuu e uuu uuu uuuuuuuuu uuuuuuu uuuuuu uuuuuuuuuu uuuuuuuuuuuu uuuuuuuuuuuu uuuuuuuuuuuuu uuuuuuuuuuuuuu uuuuuuuuu uuuuu uu uu B,I,S o,f,t,v,e B->t|So|Bf|St|o,I->Bfv|fIft|It|tStf|e|e,S->f|fSf|St|fBo|oBff|Iv|v B 30 tvvtfvooto tfotffovvv to oo vvftotoofotvtv vffovvoov ootvvv tt ootvtovffo ffftvvfo e footvtvtv ttftf ovoto vtvoftf e e e vooootttfvft otftfffvtvoot ofoovfot ofoovoootvfttv vttf e tvfo toftvvv ftvfovvvofftv f fvoftofotfoft tffttootvvo H h,j,e H->j|j|Hj|Hj|e|Hh|h H 14 hjhjhjjjhjhjhj jjh hhjjjj hjjhjjhjhhhj jhhhh jhjjhj jjhjjjhhjhh hjjjhhhjjjh hjjjjjhhh hjjhj h hjjjjjhjjjhjh jh jhj Q,G,J m,w,l,b,e Q->Gb|b,G->Qb|e|l|b|l|w|m,J->Gw|w|bGll|Gb|Qm|Qw|b J 20 wll bwbwww lwll mllm mblbwlblmbm lm bmbllw lmm wmbbmbmbw b lwbwblwmlbwb bmb mmm lmmlwmbmlw llllmmwwwmb lwmbwwblbl lwbmwmblmlbl lwb bmwmwwm mwmlblllbbbbw A,C,W,O,T q,e A->q|q|e|Tq|q|q|q,C->Tq|e|e|q|q|q|q,W->q|q|Wq|q,O->qTqq|e|q|Wq|qAq|q,T->Aq|qCq|qTq|q C 46 qqqq qqqqqq qqqqqqqqqqqqqq qqqqqq qqq qq qqqqqqqqqqqq qqq e e qqqqqqqqqqqqq qqq q qqqqqqqq qqqqqqqqqqq e e qq qqqqqqqq qq qqqqqqq qqqqqqqqqq qqqqqqqqqqqqq qqqqqqqqqq qqqqqqqqqqqqqq qqqqqqq q qqqqqqqqqqqqq qqqqqqqqqqqqq qqq qqqqqq qqq qqqqqqqqqqqq qqqqqqqq qqqqqqqqqqqqqq qqqqqqqqqqqq qqqqqqqqqq q qqqqq qqqqqqqqqqqqqq qqqqqqqqqqq qqqqqqqqqqqqqq q qqqqqqq q qqqqqqqqq E,X i,w,e E->e|e,X->i|Ei|e E 50 iiwiwiiwwiwww wiwiwwwi wiwwiiwiwi wiwwiwiw iwi e w wwwwwwwwi wwwwwwiwi ii ii e iiw wwwww iwiwwiwiiw wwwiwiwiwiiwii wwiii e wwii iwiiiwiwwiw wiiiiwwiiii wiwwiwwi i wwwiwwiiwii iiwiiiwwii wii wiiiiiwwiwi wi iwwwiw iwiiwiiww iiiwww wwiw wiiwwwww ii iiwwiiwwiwwi iwiiiwiwiiiiwi iiiiwiwwwwwiiw wiwiiwwi wiiww wwiiwwiwiiww iwiwwwiiwiwi iwwiwiwiiiii e iwiiwwwiwwwi wiwwwwwiwwwii iwiwwwiwiwiwwi iwwwiwi e wiwiiiiiiwiiww wwwiii S,V,Q,L,Y q,a,c,x,e S->q|aSaa|e|Lx|e|a,V->c|Vq|x|x|c|e,Q->Sx|q|x,L->qVq|e,Y->e|a V 26 e acqa qcaxqa cxqxa xxxcxq xccxxaxx acxacqqacac x e xaa qacxaccxaaqa cqqqaqcx xcxacx qaaaa xaqqqa qa e qcc q qqxax xcaxccax xqq xcacqqa aqxccax cqccxxcxcxcxx e K,S,R x,q,w,i,e K->Kx|w|qKq|q,S->q|w|xSiq|e|e|iSx|e,R->Riw|i R 7 iwqiiqqq q xwxqxiwxiw xqwwwiqwixx qqwwxxix xwiii iqqwiiwixqwiw Q,E,O,U,A z,m,p,e Q->z|zUp|zUz|z,E->z|Oz|e|Opp|z,O->m|e|p,U->z|z|Um|Am|m,A->m|Up|Op|Emp|z A 37 pzzpzzzmzpzm zzzmpzz mzmzpzpzzzzz zzmppzzz z zpmzzpp zzzzzzzmzz mmppppmzzz zzm e zzzzzmzzzzzm zmpzzzzpzzzzp zzmmzz pz mzmzmmm zzpp zmz m z m e ppzz zpzzzzzm pzmzzpzpzpzmzz ppzpmzpzmmpzz mzzmz ppz m zmpzpp e mmmzmzzpmpzmpm mzzpzmpmmzzz mzz e zmpzmzmzzpzzzz zm zzpz O,N,X,T,I p,h,e O->Oh|Oh|p|h|h,N->Ip|e|e|h,X->Xp|h|hTp|p,T->h|Xh|h|e,I->Tph|e|p|pTh|p X 6 phphpp pphhppphh phpphhpp phpppphh hh hph W r,v,t,f,e W->e|f|fWrr|vWf|Wf|tWf|e|r W 44 tfttv e tvrfvr ttr ffrv fttvrtf rfvftvrvvvv vvtvv vt fvrf rrtrvtfftvr fftr vfvv ffvrrtf ffrtttttfvvtr trrrfvtvffr ffff trt fvfvrvt ftfftvvff rvtvtrrtrfvf vftrfrvvtvvv e rfrfr tfttffffrvft rvfttr fvvrrttfvvvfvv vtvrtrtf ftffrfvtt vfvvrvfvrrftr vvtvtfvvrv tfrrftvffftvvv vrrrvtrftvt tfvvr vvrftvrrt vfrrtv rvtvrrrtv fff rrffv fvfvrfrftv vrfrfrtrfr rtrffvttff tftrrtfrf tfffrf N,D,K z,m,h,e N->Dzz|Dz|m,D->Nm|h|e|h|h|m,K->Kz|h|zKmh|z D 12 mmmz hhmzmhmzzmzhh e mh hhhhh zzh hmzmzmmzm zz e mmh zmhmzzhhzz zmhhmz E,A,Y,F c,s,q,o,e E->Eqs|e|q|s|c|cEoo|e,A->Fs|q|Yc|Yoq|q,Y->Fc|e|e|c,F->s|qYoo|e E 19 sosssqccoq sc e csqcocsossc qc ooqoqsscssc qqocqo cqccssoqq qcqqcoqc cocss qossqqcs ccqooqcqqsqcco qqc ooqocsoscoso socqsqosqoc coqsscssc osqssoocsqs qqqcoqssscqq cqqqs Y,M,J k,e Y->k|e|k|Jk|k,M->e|k|e|Jk|e,J->e|k|kJk|k J 13 kkk kkkk kkkkkkkkkkkkk kkkkkkkkk kkkkkkkk kkkk kkkkkkk kkkkkkkkkk kk kk kkkkkkkkk kkkkkkkkk kk U,E,N w,p,z,k,e U->wUw|e|Ez|Npk|Ewp|e|Ez|z,E->Uk|Ek|e|Ew|pNkz|z,N->w|Nkp|e|z|e|Nw|e N 45 wz wpk pkkp kp pzwkkzzppw zwzk wzwppwpkkk pkpzkzkkp zpwzzkkk zpwwpzw e pwpzwz wwpzzpzppzppkp wzzwwpppzwk wk wp zkwwzzz pp pkk pkzzpwkpwp kpzzkwwpwwzkp zzwkpz pzpwpz e kwwkzwk kkpzzkzk wz pzwwppwpz kkzkpwwpk kzpkkzzpwkpwp kppzpwpzkzwzzw zpkkzzpzkkkp kkpwz zpwz pzwzwkzpwpppw kkkzwppzkkz kwzkk zpkwkkkp wkzpzz wzzz zzpwkzkkpk pzwpwkppkwpzkp pkzppzkkw ppwwwkppk wpwpzwpkwkzz B,Q,I c,w,e B->wBwc|e|Icc|c|c,Q->Bw|w,I->c|Bw|Bww|e Q 25 wwcw wwccccwcwccc wwwww cwccwwwwwccwc c wcwcwc wwwwwc wwcccw ccwcccccwcwc cwwcccwcccwww wwcc ccwwcwc wcwccccwwwcw ccw ccw ccwwcwcccwwww wwwcwcccccwccc wwwwcwwcww w wwcw wwcwwccwcw wwwwccww c cw ccccwc P a,z,d,e P->a|Pz|Pzz|d|Paa|Pz|a P 44 zdaadaa a a ddddadzda aazzdaazzzaza zd dadzdzzzdzdadz zzdzzaadadzda adddda ddadzdazd zdzaddzddaaa aadazdaazdaa dzzdaaadzzaaa dzdadza aadaaad adaadzzzdzazza zazddzz ddzzdadazzaaaa e zdaazdaaaz adaddzz azddzzddadazaz zzaddaddzzzazz da azzzadzdda azdzazzdzdad d dzadddz daz zdzddzdzad aazadddaa zazdadzdzddz adazaddazzzaad zazaaddzzddadz zaddadzadzad azzdazzzdddaad zazzz ddzzzaaada adadz z zazadzaddaadaa ddzazzda dzaazzdaz zadzdzzaa I,U,D,A,J u,e I->uDuu|u|Ju|Iu|u|u,U->Iu|u|Iuu|u|u|u|u,D->u|u|Juu|e,A->Juu|uJuu|u,J->u|u|u|u|e|u|u|e D 18 e e uu uuuu uuuuuuuuuuuuu uu uuuuuuuuuu uuuuuuuuuuuu uuuuuuuuuuuuu uuuu uuuu uuuuuuu uuuuuuuuuuuuu uuuuuu uuuuuuuuuu uuuuuuuuuuu uuuuuuuuuu uuu J,X,M d,v,e J->vMd|e|vMvv|d,X->Mdd|Xv|e,M->Jdv|e X 12 dd vddvddd dvdvddvvddv vd dvvdvdvdvvvv dvddvvddddd vdvddvdvdvvv vv vdvvv dvv ddvdddddd ddvdvvvd D,W,U k,z,e D->Wk|k,W->z|k|z|zDzz|e|k,U->Ukz|z|zDzk|e W 17 kzzzzzzk zzzzkz zz e kk kzzkkz zkkz kz zkzkzzz kkzkzzz zkkkkk zzzkzkzzkkkkk kk kkkzzzz kzkkzzkkzk kkkkzkkk zzkkkkzkkz L,S j,o,e L->oSj|So|Lj|o|Lo|Lj|j,S->Ljj|o L 37 ojooj joojjoojjjoo jjoooooj jojjjojoojo jjooooojojjj oooojoojojoj jojjjjjojj e jjojoo ooojjjjoojjojo oooojjjoooo jj jooojjojjojj jjojjojjoooojo oooooo oooj ojjojjjo jjoojjooj oo ojjojjjo oj e jojojoojjo e joo ojjjjjoooo e jjo o jo jjjjjj jjoojooojjjjjj oooj ojoojjjjjooojo jjojojoooooo jooo jjjoojj E c,f,e E->c|Ef|c|e E 16 fcccffcccfffcc ccfccffcfc fccfc cccccccffcff ffcccf cfccc fffccfcccccff ccccccfcc ffccffccc fff ccc cfccfccccc ccffcfccccccf fccfccccccc cffcccc fcccf V,L,X,H l,t,x,e V->t|lVt|lXl|Ltt|l|l|Ht|e,L->e|x|e|xLx|x|e,X->Llt|Lx|xXl|l|t|l,H->Xx|Lt|Hx|xXlt|xXx|Vtx|t X 10 tlxlxtllxllxxx ttxtxtltxt tlt tltxlxxxxxlll lx lx ttx llx xxlllttttxl tttxlt G,K,D,X v,m,n,r,e G->mKr|Xn|Dr|v|n,K->Dn|r|Gr|Drr|Kn|v|v|e,D->e|Gm|e|mKm|n|Xm|n|r,X->mGm|e D 38 rvnnrmv vrr e m nmnnnrrmv nrnrnvvnm nnvrrr vvnmnvmrv e mvrnnmrmnmnnrm nrnr vvr vmnvn mmnnvnm mm e mmvnvnmmv mrvvnvnrrvnm rmrn mvvmvrrmvmv nmrvrnvrmmrrnm mvrnvmvmrr vnnmrm nr mnrv nmnrnnm nmvrnvvmnmnvvm mvmmv mnmnnnvmvnn vmmrrrvrnvrn mrrrmrr m nrvmmm rvrnvmmvrmnmnv rvrrmnnnmvmvrv nnvrrmvmrrmr nrnmmvrmrmnvvn n F,C q,z,e F->z|Fzz|e|Fq|z|q,C->Cz|qCz|e F 10 qzqqqzqqq qzzzqqqzzq zzqqqqqq zzz zqqqz e zzzzz zqzqqzzqqzzz zz e F g,u,e F->uFu|u F 6 e uu e ugggguuu gguuggugggu guuggug P,Y,F m,e P->e|e,Y->Ym|e|Pm|m|e|e,F->Ym|m|mPmm|mFmm|Fm|m F 16 mmmmm mmmm mmmmmmmmmm mmmmmmmm mmmmmmmmmmmm mmmmmm mmm mmmmmmmmm mmmmmmmmmmmmmm mmmmmmm mmmm mmmmmmmmmmmmm mmmmmmmm mmmm mmmmm mmmmmmm L,T,D,W o,s,a,e L->To|s|o,T->Ds|s|Do|s|a|Las|s|a,D->oTs|Da|To|e|a|e,W->s|a D 42 e ass e asoooaoosossss oas osaoasasss saassaoaaoss ooo ssoossasaas aosssaas aa e oaoaasaaos aaasaso oassaosooos e sssoo aaaoaoaosasaso ssooaosasoa sooaooass asoasasasoosos aos so as osasooassoss ooo saa aoa osaao ass ooos ao ssaooaaoaoo ososoaosoaasoa ossasaoosoa e oaasaoso a sasoosasaaoo asooaoasas oaaassss oa Q,X,B,N o,k,e Q->e|e|k,X->k|o|o|Bk|o|o|o,B->Nok|e|kXk|Nok|oBo|Qk|Nko|k,N->No|e|kNk|Qo|Nk|Nk|k N 25 kooookoo ok kkkokkookokkk okkkkkkkokkkok ooooooo kkokkkkookkkk e oookooooo oookkoookokoo e o koko k okkkkkkoookkk ook kookkkk oookkoookkkok kkkokkkkk kkkoooookkk kkokkoookooook e ooookokoookkk kookkkookkkook o ko K,W,P b,z,l,e K->z|z|l|Wzb|b|lWb|lPb|z,W->lKlb|Wb|Klb|l,P->Kz|lPz|z|Kb|b|b|e W 28 zzzlzzbzllbbz blzzl bbzlbllblzl zlzz bzlblzlbzzb bzbzzzzzl l lbblzll zbzzbz bbbllzlzlzzbb blzzbbbblllz bbzzzlbbbbl e bbzzzlzzb zlzzlzbbl zllbbzzbblbbl bzlzblzbllbzbb bbbzb zlzzbzb bzzbbllbllz lb b zbzb bzl llbzbzzzllblbl bbblbblll zzzzzzbl bl Q,N u,f,a,b,e Q->a|Na|Nf|Na|Nfb|f,N->Qb|Qb|Qf|Nb|Qa|u Q 24 e affaau bab uaaabaabfb fuubafab fbfbfb fufuaababau fbuaffu ff baffbaffauff ffubauuffufuub uubfufuabuuf b ufbb abbafaubb ubua fffaaabuabf bbfuafuuffua fb e a fffauuubabu ababuufffaauff e V,S,U,P,I z,j,g,e V->z|j,S->Vj|Vg|jUgj|Ijj|g,U->Sgj|Sj|g|e|jVz|e|j,P->zIj|Uzg|Uz|j|j|j,I->g|z|Sg|z|j|Vzz|e|z S 21 zjjzgzjjjjzgz jjjzjzjjj jzgjgjzjjg j jjjzj zzzjg ggzzjgzzgjzjjj jjjjjjzzj jz jgjjgz e gjzzgjjgzj zj j jzgj gjzjjj z gj j jg jzjgjj Z,G,E,R r,i,e Z->r|Zrr|i|Err|r,G->r|Grr|i|Rii|r|i,E->i|r|r|r|Zi|r|r|e,R->Zr|r|Grr|i G 15 rrrii iiiiririiir riririiri rirrrrri rriiriir iirrririir ir rrrir r iiriiiriirriii riir iiiririrrirrir iiriiriirriri rirr iiirrrirri K,D,R,Z,V a,b,e K->bKaa|a|b,D->e|a|b,R->aDa|e|e|Rab|Raa|b,Z->bKb|Ra|a|b|Rab|a|e|b,V->a|aDab|e D 36 aaab aababaaabaab abbaaaaaabba baaaaaaaab aaabbaaaa abaaaaaaaaaaba aaaababaaabaaa aaaaaaaba aaaabaa aaaaaaabbaaabb aa baaabbbbbbbb aaababbaabbaaa aaaaaabaaaaaaa aaaabaabab abbba ba a aaaaaaaaaaaaa bbabbbbaba abaab abaabaabaaaa ba baaaaaab a ab aabaabb aaaaaaaba baababaababba aaaaabaaabbaa aaaaaaababa babaaaab aaaab baaaabaaabbabb aabba aaaaaaaaabbab D,T,Y l,z,o,e D->z|z,T->Yo|e|o|l|o,Y->z|l|o D 38 zzlzllzlzlo zllollzlol zllloz llzzzzzzoo loooozlolooolo e oooloz zooz oozzz zzlzllzlloz oollzollolzl ooolooo loolzzooolozz ollozlzllozol zzz llozzololo olzlzlzlllzl zzolz oozllloozoll zlloollolllzl ozlzzzozzlllol e zzzllol lozzzzooolo olllozz e zzlz oozozoozlolzoo zlolo zozlzzozz z ozllzlzlo zzzlz ozzzzolz ozz zozlozzzz lo oololzolzz H,Q f,e H->f|Hff|Hf|Hff|f,Q->f|Qf|fQf|Qf|f|e|e H 19 fffffffff ffff ffffff ff ffffffffffffff fffffffff f fffff ffffff ffffffffffffff ffffff ffffffffffff fffffffff fff ffff ffffff ffffffffff ffffff fffffffffffff D,Y,V a,q,m,n,e D->Yqm|Daq|Ym|q|e,Y->n|n|e,V->m|m D 34 mammaqqnaaq aamqmnnqamnq amqnaa nnnmmamamqa nmnnnqnnaqa aamqmqnnanan qnqqnamannmn nmm aqqn nqqnnmaqqmma nqnnamaa qmannnqm annmqnq qmammmqqmamnm mqmaqmmnnnqa qqn mmnaanaam e qqnnqmqnmn mnamqanmqnnna qqqnm aanmnqnnaammna qqaamqaa nanqnnaqn n mqmamnnama qanmnnm aqqqmnqanqmaa nqann maqanamn e qqqnnmannn naaqqmmmqanqn manqnmaq S,W,J,M,K g,e S->Kg|Sg|e|g|g|g|g,W->g|g|g|g|e|g|g,J->Wg|g,M->g|Kg|e|Mg|g|g|gJgg|g,K->g|Jgg|g|Wg|Sg|e|e|e M 32 e gggggggggggggg gggggggggggggg gggggggggggggg g ggggggggg ggggggggg ggggggggggggg ggggg ggggggg ggggggggg ggg ggggggggg e ggggg ggggggggggggg gggggggggggggg gggggggggg g gggggggggggggg ggggg gggggggg gggggggggggg gggggggggggggg gggggg e gggg gggggggggggg ggg gggg ggggggggggg gggg B u,g,e B->Bu|u|Bu|Bu|e|g B 47 e u uguggggguuuu ugggg gguggg e ggggugguggggu u uugguuuuuguggg guu uugg e uuuuugu guuu ggg uuuugugugg u ugg uu guugguuugugg e guuuuugggguuu uuugu gguuuguuugggu uuuugg uuuguuu ugugguuuuu guguu uguugguuuggg uuugguuuu uu g guugg uuugg uggugggguugg uuuugg gguguu uggggggugu u uguuuguguu gugugguu uuuuguuuuuuggg uguu ugugg e uugguuu guu M,Q,K,V q,o,v,c,e M->qMv|e|o|c,Q->c|e|Kc|qKo|v,K->e|Mc|v|oVq|e|q|c,V->o|Mc|Vc|Mq|e|Vo|e M 46 ovccoqvvv oqc vvococo oqcqqqvvq oo vq covoqvov cqocqvc cvoqv cqoqc vcovcvc qccvqcvvvoqvq oqvvooccqcc ccvvocqq oqq vcccovvvovcccq cvvooooc cocovcv vvccvvqo occc c ccovcvocqcqo ccvvvoqcooqooo cqoqvovqqoqcv ccvvvoqoqo cqovq coq qcvqqvoccqvv cvovvvqcqo qvqcvqcqvq coccvoqq ovq vqqccocooo occqvvcq c voqc cccqvcvqcvc vqvvqc qcqc coqcvcooqv cqcqqo q e vvcqoqcqcvvvq qqocvq qqcoqoqv B,E m,u,p,x,e B->Bm|p|p|u|m|m|uBp|p,E->Bux|Eu|u|e B 26 upmm pu pppmmpxx xmxpxmupp xumxpxxu uumuuxxu mpmuummxm xummxpxxux mxxmxxupmupxx uuummumxpuxpm pxxpuumxxxpxxm xpxx upmuppxmuummm pxuumumuxumum pxpm pmxppmuuup mmp muupuxux e pm mupxpmxxxpp e mpppuuuuu u xmpumx ux A,Y,S,I y,p,z,w,e A->w|w|e|pIz|y|Spy|y|e,Y->Ayz|Sw|Iw|Sw|w|e|z,S->z|wIy|p|Ay|wYzy|e|Sp|w,I->Iy|y A 25 wywyzywywzzwy ppwzpzywzypwp zzzwwypzzypyy zpzzyw zwpzwyzpww e pypyppzwyyww pzwypzzpwypwz pyyppywzw ppypzyp pyyyppppyy wwwzzypwy zp wzpzpyypywyy zwpww ppyz wy wy y e ypwywzyw zwpwwwpyyywpz ywywwwwpyyzpy yzzwzwzyww pwzpzppzwyz U,I w,e U->e|w|w,I->wIww|Iw|Uw|Uw|wIw|w|e|e U 14 wwwwwwwww e wwwwwwwwwwwww wwwww wwww wwwwwwwwwww wwwwwwww wwwwwwwwwwwwww wwwwwww e www ww www e X,E,M,J,Z z,d,l,e X->zJlz|El|z,E->Zz|e,M->e|e|Jzl|d|Xl|z,J->Xl|Eld|l|zXzl|d,Z->l|Zz|d|d|l|e X 44 dddzlzd e e dllllldzdlddzz dzddddlzzdd lzdlzzldzld e lddldzldzzzl zzlldzzzld lddlzld dld dzzdzzzlddzz zddz zlddzdldd ldddzddldl zz dddllz zllllldzl ddld zzldlzdzddlld llzdzlz ddllzzddzzlz e lldzzdlzllzlz d ddlzl lllzdddzldll dd dzlddz zzzdlzzzld zzdzdllz ddzzdl ldzlllllz zzdd ddlddlzzz ll ldzddlzlzzzz lddzzlzldd lzld ddldldll lz lllzl zllllzzdlzdzzz dzl H,D t,k,e H->Ht|k|t|e,D->kHt|t|t|t D 5 kttkkkkktk kttk ttkk tttkt ktkkkttkkttk D,J v,e D->v|Jv|Jv|v|v,J->Jv|Jv|Jvv|v D 12 vv v vvvvvvvvvvvv vvvvvvvvv vvvvvvvv vvv vvvvvvvvvvv vvvvvvvvvv vvvvv vvvvvvvvvvvvv v vvvv A,H,Y l,e A->l|Hl|l|All|Hl|l,H->l|Yl|l|Hll|Yl|e,Y->e|e|Al|l|l|e|l A 9 llllllllllllll lllll llllllllllllll llllllll llll llllllll llllllllllll llllll lllllllll S,H b,i,z,e S->b|e|Sb|bSiz|e|Hb|b,H->bSb|z|e|b|iHi|Hi|i S 39 bbiiibiiz bbiiiizz e zzbb zb bbiizbbzz zzzzibbzzibbii iz ziizzbbzizzbi zbz bbbb bbbzbziizi bizzziiz biibibzzibzizi bibbibziz iiiibz iizizzb zbb bibbbbizzizbii i izib bzibzizbzzbzb biizbbiibzz bibzii ibbi biiz e zizbzbzbbzii zzbiz bb ibbbiizz i zizizzizbzzizb bbiii i iibbzzziziii iiziizbbiiizbz bi izbziiizbbz C,R i,o,q,e C->Ci|oCii|iRq|e,R->Cq|Rq|i R 5 oqoiiiiqiqoo iq e oqqoooqo iooqqiqqoqqioo W,I c,e W->Ic|e|e|Ic|c|c|c,I->e|Ic|c|c|Wc|Wcc|c|c I 44 cccccccccccc ccccccccccccc ccccccccc cccccccccccccc cccccccccc ccccccc c ccccccccccccc cc ccc c cccccccc e cccccccc ccccccc cccccccc cccccc ccccccc cccccccccccc e ccccccc cccccccccc ccccccccccc cccccccccc c cccccccccc e cccc ccccccccccccc ccccccccccccc ccccc cccc cccccc e cccccccc ccccccccc cccccccccccc ccccccc cccccccccc ccccccccccc cccccc c c cc H,N,J,B m,a,e H->mNm|mJma|e|Ha|a,N->aNa|Bmm|m,J->m|m|mJm|m|mHaa|Na|m|m,B->a|aHa|Hm|a|e J 10 mmmmmaaaaama ammaaaaam mamm maaaaaaaa e ammamammmm ama aaamammaammma mamamaam ammaamm Y,J,E r,k,s,w,e Y->Ykw|Yww|wEs|rEw|Ew|Ykw|Esr|s,J->rYwr|Jwk|wJs|s,E->Er|e|e J 29 swksrkrswk rrkkkkksrwr rsrws wwrswrwkrwkssw skrr swkssrkss e wr srs srwsssswrswrr rk wrr wkks rrswrksksk krkkwrkskk wsr ksswk r kr srrws wk kwwrkrws kwsw rkwsrkwkww wkrkrskssrrwrk wrsksrrw ssr rsrkrs ksrrkrww B h,d,e B->Bh|h|e|e|d|Bd|e|d B 54 ddhdhdhhdhhhh d ddhdhdhhhddhh dd dhdhhddhhhhhh hhhd hdhhhd hdhdhdhdh h d hdhhh hdddhdhd e ddhd dhhdddh dddhdhhdhdddd hd e dhhdhdddh dddhdd hdhhdddhhddd hdhh hhddhh ddddh dhhhh ddhhhddddhhhhd ddd hdhddhh dh hdhdhdh hdhdd e dddhdddddhhd hhhdhdhdhd hhdddhh dddddhddddd hdhhhhdhddddd e ddhhdhhdh dhdhdddhdhhd ddddhdddh hhdhh hdhdh hhh hhdhdhhhdd e hdhhhd dhdhhhhd hdhhhhhddh hdhhddhhddhd hhdh hdhddhdd dhhddddhddddh hhhhdhd Y,F,Z f,e Y->f|f|f|Ff|f|Zf|f|f,F->Yf|f|Zf|f,Z->fFf|Yf|f|f Z 41 ffffff f e fffffffffff fff ffffffffffffff f ff fffffffffff ffffffffff ffffffffffffff fffffff fffffffffff fffffffffff ffffffffffff ff ff ffffffffffff fffff fffff ffff fffff ffffff fff ffffffffffff fffffffff fffff e fffffff ffff fffffffff fff e fffff e ffff f ffffffffffff e fffffff ffffffffffff F y,e F->yFy|y F 40 yyyyyyyy yyyyyyy yyyyyy yyyyyyyyyyyy yyyy y yyyyyyyyyyyyy yyy yyyyyyyyy yyyyyyyyyy yyyyyyyyyyyyy e yyyyyyyyyyyy yyyyyyyyyyyyyy yyyyy yyyyyy yyyyyyyyyyy yyyyyyyyyyy yyy yyyyyyyyyyyyy yyyyyyyyyyyyy yy yyyyyyyyyyy yyyyyyyyy yyyyyyyyyyyyy yyyyyyyyy yyyyyyy yyyyyyyyyyyyy yyyyyyyyyyy yyyy yyyyyyyyy yyyyyyyyy yyyyyyyy yyyyyyyyyyyyyy e yyyyyyyyyyy yyyyy yyyyyy yyyyy yyyyy G,L,N,O y,g,v,j,e G->e|Gg|Og|v|j|v,L->v|v,N->Lj|Nv|v,O->g|vLgy|y|e|e|y|j O 25 ggvjggyvyvgyvv jygyjgvyjygjvv v yjjvvygyvvyjj j yy yvyyyv vyyyvgv yvgy gvgjjggvgjg vyyvyygjy gvyjj jyy ygvvv yvyg vvjyjjjyvvj jjvvgvygggvy y yjyj vgggygjgvygj vgvyjvggjjyvg e g jjjgjjjjygggg jvygvyjyj Y,X,R,L k,j,v,r,e Y->r|Rj|r|v|Xj|e|j,X->Lj|Lv|Lr|Yv|Xr|r|vRk|j,R->Yr|e|v,L->j|Xv|Rj|r L 22 vkrkjkrjrkj e kjkkjrkr vkrrrvvv rvvvvjv rv rj rkrjjvvrvkr jvkrvvjkkrkrvj rvvrvjvrv e vjkrrjjvj r e rvkrkv e vrvrjjjkrjjvk rj e vjjvrrjkkkj vvrvjvjvv jjvkjkrkjkr W,I,U,X,M h,w,t,g,e W->g|Ig|Mh|e|g|Mh|t,I->Wg|gWg|wXh|e|Xwt|w,U->Uth|w,X->e|tMt|wXw|h,M->Ig|w|Mt|Mt|h I 38 wwhthhhggh wwww hththgwgtwggw g hwg wwhggwwhthtwwg hghwwth e ggghhwgwgg twggwwtthh h e wtwwtwwt e hhgwwttggtw gwtwtht hwggghwwwhh gthtwwwt wghhgttgh h hhwgtg ggwwgwhwhg wwgttgttwtwh hhgtwthghwwwg thwwhthwwttth g gtwtwghtg hwthw gwghww gthwgthhwtwght e hwwthwghtthht e g ttt whhh wgthggggtgwtg ghgwgtht K,L j,f,w,o,e K->w|Lfo|Lw|oLo|e|w|o|f,L->Lj|j|w|w|Kjw|o L 16 ojowffwofj wjffw fojwwwww e ffjfjwoojfjo fjwwjwoojo fowoofwwfjwjwj fjoj jojojow fwwfo jjfwwfwjfwfww jwojowfwofwo owjjffwoo j wojjjfofjjjof fofwffwowwjjoo N,E f,g,e N->fEgg|e,E->g|fNf|Eg|gNg|Nf|Ng|g N 9 ffgffffff fgfffgfggffg ffgf fg ggfg gfggggggggfg ffggggffffggg fgf g I,W r,h,e I->r|rIh|hWr|Wr|h,W->h|e I 26 hhrhhhhrhhhhhr hrrh rhrrhhhhrhhrrh rrrhrrrhrrrh hhhhrrhrrhrh hhrhrhrrrhhhr hhrr e hr hhh hhr rhr rrrrrhh hrh hr rhrhrrhhhh hhrrhrhrrrr hr rrrr e rhh hhrhhhrh r hrhhhhhrrr rrrh rrhrrh C,F,M,P h,t,d,e C->Md|e,F->Ptd|e|Ctd|d|Pd|h|t,M->Mtt|e|t|Pd|Mht|Ch|d,P->h|Ph|e|Ft|h P 37 dttddththdt thdt dt htddthtttddt dhhhht hthhddtddt hthhhthhht dhh htdht dhhhtth thddhdthhtdht htdtdhh hdt htdhhtdhht e ttdhthtdthddh dh hdhdththdhhhdt tthdtdt e htthddttdhttt d dddd tddttdhhdhth htthhddtt tththdtdt tthdddtththdd h dddht ttdtdd hhhd tt dtttd tdthhdtdthdth dtdhtdhdt th dtdhtdhth D,Y,G,S,J j,o,e D->j|e|e,Y->j|j|Gjj|j,G->j|Jjj|o|So|j|Jj|j,S->jGj|j|o|oYj|e,J->j|Doj|Sjj|o S 20 joojjoo e jjjojjjjjj jjjoojoj ojjjj jjjj jjjoojjj jjooojo e jjjojoj ojojjjjjjj jjojojjojjjj jjjjjjjjjj jjojj j joo jjojoojjjoojoj jjjjjoj oj jooojjj P,V,X m,o,e P->e|m|oXm|mXo|o|m|Vo|e,V->Vm|e|Xo|m,X->e|oVom|e|m X 22 moom mmo ooomoomooomm omoomoomomoooo mmomoommmoom mmommmommm oomooomoo mmmmmmommmmom om oommmmoomo ommmmmooo mmommmommo e m ommmoooommmm e mmomomoomoo mmmoommmmomoom ooom mm mom moommoooomooo F,D k,b,c,e F->kFc|k|Fkc|c|c|Dk|cFk|b,D->k|c|k|Fk|Fb|Dcb|k|b F 25 ck cckbkckbcckk kbbbckkbbck b e bkbckkkcbkbkbb bccbbkkccc bcbkcckcc ckbbkbkbbck ckkcccckbkcb kbccbkkk kcbkckkkbcbbcb cbbckcbc bbkcckccbkccc bcc kc cb kcbbbck ck ccbbccbbbb kkcccbcckkcck kc bkkbc kcckcckkkckcck kkbckbbcbbbk M,L,H,T,V b,q,y,g,e M->q|Lb|y|y,L->Vb|Vb|g|b,H->g|e,T->b|bVb|Lg|Vg|My|e|q,V->q|b|g|e L 20 gyybqbq bbbqqyyyq qgqq yb bbgybqyqgqgg qbyqgbybyg ggbggbbbgbb b qbgqybbbqggy qbyyqygyby yqgyqqgg bgyyyg bb qbgyybqyg bgyyygqb yybqqbyqgyqyb y gybygqgqy ygqbyyqyq ygbyg A,M,O z,e A->zOz|Az|zOz|z,M->e|z|z|z|z,O->e|Mz|z|Az|z|z M 21 zzzzzzzzzzz zzzz zz zzzzzzzzzzzz zzzzzzzzzzzzz zzzzz z zzzz z e zzzzzzzzzzz zzzzzzzzzzzzz zzz zzzz zzzzzzzzzz zzzzzzzzzzzzz zzzzzzzzzzzzz zzzzzzzzzzzzzz zzzzzz zzzzzzzzzzz zzzzzzzzzz X y,g,w,e X->Xy|y X 29 ggyywgwggggyy wyyyyyggy ywyywygy gygwyggyywygyy ywy yygygy yywywwygyyyw gwygywyyggggy ywyygyw wwyygyyw wygyggywy wyyywgygyyyy gyg ygwyyyy yyywggyygwygy yyywygygwy yyyygwy wwygyy y yyg ygygggggwwy ygwggwyy wyyyg ygygy yyyyyyyyw ywgwgwywyygyy wwywwwygyy wywwywwgy yyygwygywy E,U n,j,y,e E->n|n|y|jUnn|n|n,U->n|e|y E 21 nnynynnnnyn nnyjnjnjnnjny nnjyyyynnnj nnjjnynjnn jnnyjjnjnynjnj nyy e nnnnnynjn jynnyynnnj nnjnyynnnnnnn ynyn jnnj ynnj nnynynyjjn j nynnnjynn jyjn nnn nyjjynnny nnnnnyjjn nnnyj I,Y f,z,l,e I->z|Ill|Ilf|Yll|z,Y->Yz|e|z|e|If|fYzz|z Y 34 lfzzzz fzllllffzfl e lffllfzl zllffzfllzl flffz lllllflzf llfl zf ffzfzzlfzzzf lzlzlz llfllllflll lllflffff lzlzlfflzflzf zzlzffzl zfll fzffz zzzzlfzlzlf zf fflllfzlzllz lllzflzfl zllzflzlz fflzz fffflzzz f fllffz lzlf llzlfzffzffzfz lzzzf llzzflfzlzf zzzlf fzlfzfl lflffzflfzzz z P q,e P->Pqq|qPqq|Pq|q|q|q P 29 qqqqqqqqqqq qqqqq qqqqqqqqqq qqqqq qqqqqqqqqqqq qq qqqqqqqqqqqqqq qqqqqqqqqqqqqq qqqqqqqqqqq qq qqqq qqqqqqqqqqqqq q qqqqqqqqq qqq qqqqqqq qqqqqqqqqq qqqqqqqqqqq qqqqqqqqqqqq qqqqqqqqqqqqq qqqqqqqqqq qqq qqqqqqqqqqqqqq qqq qqqqqqq qqqqqqqqq qqqqq qqqqq qqqqqqqqqqqqq W i,y,e W->i|Wi|y|e W 13 iyy iyy iyiiy yyyii iyyyyyyy iiiyyiiyiyi yyy yyyyyiyyyyi yiyiiyiyiiyiyi iyiiiiiiyii iyiiyyiyi yyyiiyiyiy i P,Y,I l,o,q,h,e P->Yh|Yq|e|Il|e|q|hPo|h,Y->e|Po|qYo|e|e|e|Iqh|q,I->q|Yq|Ph|Io|Yl|e|h|e Y 13 hoqlohhhoo h qoqq lhqhoohlq loqqohllhqqq qolhqohooqql ho holqql hlq hollhohlholqh qhlol lq hq D x,u,e D->Dxx|Dxu|Dx|xDu|xDx|u D 30 ux u e xxxxuxuxxx xxxxxxxxxxxx xxuxxxuxxu xxuxxuxxxxxxu xuxxxuxxxxxx uxxxuxxxu uuxxxxx u xuxxx xx uxxxxxxxxxxx xxxuxu xuxx xxxuuxxx uuuxx xxxxxxuuxxxx xxxuuxxxxxuuu xxxuuxxxuxx xx uxxxxxxuxx xxuxx xxxuuxxxxuxuuu xx e uxxxxu x xuxxxxxu M,N z,q,e M->Nq|e|z|Mq|Mq|q,N->Mz|q|zNz|qMq|zMqq|z M 23 qzzzzzzqz zqqqzqqzzzqzq zzzzz zzzzq qqzzq qqzqqzzqqqz zzzz zzzzqq zzzqqzz zqzqq q zzzzqqqzz zqqzqqzqqz qz qzq zq zzzqzqqzzqzzzz zzqqqqzq zqq zqqzqqz zq qzqzqzzzzzzzz qq K,G,U v,t,j,n,e K->t|Gn|v|t|vKtv|n,G->Uv|e|Gt|Ujt|n,U->v|n|j|e|jKt|Uv|t|v G 38 njvnjjvttvn tjjn tt vnnnj vnt jjtnvvtj tjjjtvnv e nn tnnnvj tnttt jtvtnjnjv vtjtjntvvnj e jjntnnvjvv j v j tvnnt nnjttvvnv e ntvjjvjvjvn tjvttnnjttnv ntjj vtjvvtjv vnnvntvjvvn nntvjv jnvtnjvvjnv vvjjvnttj jtjnvjtjvjvt j e vjnjvjnnj ntvvnvjjv nvvtvntt nvvnv e jntnvtjjtt F,E,N,M j,e F->Mj|j|j|Mj|j|j|j,E->Fj|e,N->j|j|e|e,M->Ej|j|Nj|Nj|e N 32 jjjjjjjjjjj jjjjjjjjjjj jjjjjjjjj jjjjj jjjj jjjjj jjjjj jjjjjj jjjjjjjj jjjjjjjjjjjjj jjjjjjjjjjj jjjjj jjjjjjjjjjj jjjj e jjjj jjjjjjjjjj jjjjjjj jjjjjj jjj jj jjjjjjjjjjjj jjjjjjjjjjjj jjjjjjjjjjjjj jjjjj jjjjjjjj jjjjjjjjjjjjj jjjjjjjjj jjjjjjjj jjjjjjjjjjj jj jjjjj Q,Y c,e Q->Ycc|cYcc|c|e|Ycc|c|c,Y->c|c|e|c|c Q 10 cccccccccccc ccccccccc ccccccccc ccccccccccc cccccccccccc cccccc cccccccccccc e e cccccccc J,F,A w,j,e J->e|Aj|Jj|w,F->Aw|Jw|j|Fw|w|j,A->Jww|e|Fj|jAj|Aj|e|j F 42 jjjjjjw jjwjjw jjjjwjjwjwwjw wjwjjj jwwwjj jjww jjwjjwwj jjjjjw ww wj wwj wwwwwwwjjjjjjw wjjw jwjwjwwj wjjjjj jjjwwjj wwjwwjwwwjwj j wjwjwjjj wjjwjj jwwjjwjw e wwjjwj jjjw jjjwwwjwjw jww j j jwwjw jwww wj wjj jwwjwjjwwjj j jwwwj jjwwwj ww jjjwwwwwwjw j jj j wjjww Q,K a,u,e Q->u|a|e|e|uQaa|Qua|a|e,K->u|Qa|Ku|u K 31 aaauua aaauauauuuauuu a uaaauuauuau aauauaaaua aaauuuauuuuuaa uuuuu uauuaua uaaauauuauauuu aauauauaauaau uuuaua auaauauauauuu u uuuaauuaauu aaaaaauaaauua aauuu uuua e uauua uauau uaauuauu auuauu aaauu auauuaaauuau aauauauuua auuaaauaaauuu e e aa uauuuuaauuauua uuauuauuuaauu L,P,Q,H t,e L->tPt|t|Pt|Ht|t|e,P->t|t|t,Q->t|Qtt|Qtt|e|e,H->Qt|t|e|t|t|t H 25 tttttttttttttt tttt tttt tttt tttttttttttttt tttt e tt ttt ttttt tttttttttttt t t tttt tttttttt tttttt ttttttttt tttttttt tt t ttttt tttttttt tttttttttt tttttttttt tt Z,D,I z,a,r,e Z->Zz|Zrz|z|z,D->a|z|z,I->Dr|Iz|a|e I 19 az zaaazzzrazar zzzzzraaazzaz zrzarz zzarzrzazaz rz z e zzrzrararzr aarzazzz rza zzaaaraaazrza zzrzrazzazzzz zzzarz rzr razzrraaz rrzzzarzzar zzzz zzarazarzz G w,g,t,e G->Gt|Gw|Gtg|e|e|Gt|w|t G 54 ggggttt wgtwwwgtggtwt ttgww gtgtwtwgt tw ttgtwttt ttgt ttttww twttgtt tgggttwttttwt twttttttggttgt gtgwwtt tggtt twt w t ggwttttttwt tttttgggggtw wtgggtwg gwwwwtttgtgtg wggtwttwgtt wwggwtgwtgtwt ttgwt ttwgtwgttttgtt gt gtwwtgwttgtt ttttgwwtw gggtwt gtwttttw tggwwtwtttttwg gtwtgtt ggt gtgwtww gwtt wtttgtttwtwtw ttwtttttwggw gtttgttttwt wtttggw gtttw wggtgtttttwt gttggtgww tgggtggtttwgwt gtw wwtg wtw tww twwggt gttwtgtgt tgtggtttttw twwgwtt e wwgttwtgtttt t e Z,I,P u,v,y,i,e Z->Zu|u|e|iZv|v,I->e|e,P->Pi|e|Zui|i|e|v|e Z 44 yyiyuvuvv vuyuiii uuiiviyy uvyyi viuivivyuvv vvuv viuv uviyyyyyyiuv yvuyyivvvviyy uyvyuvvvvyyy ivuyyv vuuyvuiviy yivyyuyyuyuyu yiyyyyuvvvi vvuviy iui iiyvuiiuuuuvv vviyyuyuu yiv uuuiyuiviyvvui vyy vivvu uiyyviuuvyyui iuvvuuivyyvuu uiiyv ivyivyiyivvi uyivyiiviu uvvi uyvyviuvyv viyii uyuiyvuvviyy iiyvvyuyyiyu uuv v yuiuuyy yuu e yuyiivvuvy vvyyuyuyuvi viuvviiiviy viu yvuyuu e uyyiyy R,X,Y,P n,j,e R->e|Ynj|j|n|j|jRnj|j,X->Rnn|Pnj|Pn|e|nRn|j|n|e,Y->jYj|Yn|e|Xn|n|Pjn|n,P->jYj|j|n|n|Rj|Pnn|Xj|n R 11 j nnjnjnnnjj nn nnjnjnnnnnn njnn jjjnnnjn jjjjnnnjj njjnjjjnjjnnj nnnnnnnnnjj jjnnj nnnnjjnjnjj G x,i,y,b,e G->Gx|y|e|Gb|x G 7 ixybbbybxi yiyxybix ybxbyyi ibyixy yyi bx xbiixbiyyii S,L w,u,e S->e|Lu|w|u,L->Lu|Lu|Su|Lw|wLuw|wSuw|Sw|e S 38 wwuuuwwwwu wuww uuwwu ww wwwwwuwwuu wwuuwuwuuuu uww ww uuuuwwwwwuu wwuwuwu wwuuwuwwwuuuu wu uwwwwuwuwuwwu uwuwuwuuuu wuuw uuwuwuu wwuuwwwuuwuu uw uuuwwwwuuu uwwuwuuw e wuuwu wwwuuuuuwwuuu wuwwww uuuwww e e w wuuuuwuwuuuuw uu wuwwuw wwuuwww uwwuuw uw wwwwuuuwwuuwuu uwwuuuwwu e uuwwwwuwuuuu L,H k,e L->Lk|Hk|Hk|k|k|Hkk|k,H->k|Hk|Lkk|k|Lk|k|e L 21 k kkkkkkkkkkkkkk kkkk e k kkkkkkkkkkkkk kkkkkkkkkkkk kkkkkkkkkkkkk kkkk kkkkkkkkkkkkkk kkkkkkk kkkkkkkkk kkkkkkk kk kkkkk kkkk kkkkkkk kkkk kkkkk kkkkkkk kkkk B,C,Q,D j,c,i,e B->e|e,C->cCc|c,Q->Bj|c,D->jCc|c|Qc|e|i|i|i C 33 cic e icjjiijjjcjj cjjcicjjcjcijc jcjicjicc ccccjiiijcicj iijcjjicc iciijjjcjciic icjjcjjjji ciijcjcjcj cciijccii iiijijjjij cjijci cjjjjciiccjc i cjcjjccc ijcj jcijijiiiicicj jjijcccii c ijcciicccjic jjccccc ijccj j ccccjci e jiicjjjiiiijic cjjcjjjc ciccj c cjijiijciicjc jicjicijicjccc jcjijcc S x,r,e S->r|x|xSxx|r S 7 xrrxxrxrxxxrx xxrrrx rxrxrrxrxx r xxrrxxrxxrr xxrxxxx x N,T h,e N->h|Nh|hTh|h|h|h,T->h|Nh|h|h|Th|Nh|hNh|e N 22 hhhhhhhhhhhhh hhhhhhhhhhhhh hh hhhh hhhhhhh h hhhhhhh hhhhh hhhhhhhhhhh h hhhhhh hhhhhhhhhhhhhh e hhhhhhhhh hhhhhh hhhhhh hhhhhhhhhhh hhhhhhhhhhhhh hhhhhhhhhhhhh hhhh hh e J,N,V,A u,v,e J->v|Ju|uNuv|Au|v,N->Nu|Jv|e,V->Av|Av|uJvv|v,A->vVv|Nvv|Nv|v|e|e V 10 uvuvvvuuuuvvuu e e uvuuuuuvvv uvvvv vv uvvuuvuvvvuvuu vuvvuvvvvuuvvu vuvuvuuvvvvu v N,Z,X p,z,e N->z|z|Np|z|e,Z->Zp|Nz|e|zZz|Xzz|z|Xp|e,X->pZp|z|Np|Np|p|Xpz|e N 46 pzppzzpppzpzp pppzpppzzpzpz pp pzzpzzzpp pppzpzzz zzzzzpzpp ppz zpzzppzpppzpp zppzpzzpzpzz z zzzpz pzzppz pppzpzz ppzppzzppzp zzzpzppzpppzp zppp e ppzppppzz e e pzp zpzpz pz zzzzz ppzpzpzzzz e p zzpzppzpppz e e ppzzzpppzpzp ppzzpppz pzppp pzpzpzpp ppzppp pzpz pzzp zzzzzzzzzp pzpzzzppzp zpz zzzpppppppzz zp zpzzp p zp ppzzzzzzpzpp R,I,J,L,N f,e R->Nf|e|fNf|f|Nf|f|fLff|e,I->e|Lff|e|Nf|e,J->If|e|Rf|fIf|Rf|e|fLf|f,L->Jf|Lf|Lf|fJff|Jf|e|f,N->f|Rff|Iff|f|Jf|f|f J 51 fffffffffffff ffffff ffff f fffffffffff e ffffffffffffff ffffffffffff ffffffffffff fffffffff ffffffff fffffffffff ffffffffff e fffff e ffffffffffffff ffffffffff ff ffffffffffff f e ffffff ffffffffff e e ffffff fffff fff e ffffffffffffff fffff ffffffffff ffffffff ffffff ffff ff e ff ffff ffffff ffffffff ffffffffffff f fff ffffffffffff ffffffffffffff fffffffff fffffffff ffffffffff ffffffffffffff B,Y,D,V,L u,o,k,t,e B->u|Ltt|Bu|Vk|e,Y->o|u|o|t|e,D->u|e,V->tBko|e|Bk|Bk|Lt|Vuu|o|u,L->kDtt|e Y 45 u ouookkkuo uuttoouuokotot koukkuo ttootkuotut tokouttuokot kktut uto oouttkkktk tktktooukko ukutok uokkkou otuo ukttkuuto tktkku uouukotuktk kttukkouoktk t kut ut uouotkktooktu touokktkkt okttokutuktko tkkkuukuuout kktokutk totktkkto kot e ukt ukuot uokutuuu kookk ttu otkututttk tokotuouukktk koktkkkto ot uuouuukoukutk totuoktuo e kutkttotot tkukuut ut oo okuoutuut N g,v,u,w,e N->g|u|u|uNv|vNv|v N 14 wuvvwwggguu uvgvggg wwuggguwgugwgv e uvwuwwuuwgu wuwvvvu vv wwwvgggv wvgvvvgwgwvw gvwuwgg w gugggvgw uuwuuwwuuuwww wuvvwgvgguvww Y,Q,O,J,H a,m,b,e Y->m|aHm|m|bOa|Ja|m|m,Q->m|Jab|Jm|m|a|Om|b,O->e|Ham|bHb|Jab|mJa|a,J->Ya|aQam|a|e|aQb|b,H->Qb|Ya|m|a|m|bHb|Hm|b O 8 bbmmmbbbmambb abbm bbmbmmabbbabb mmb bbm mbbabbaaammm baa aaam B z,g,l,e B->Bl|Bg|zBg|l B 35 zlggzzzlzlzzll l glgz gg zg lzllll lzlzzlgllgzg lzzlllll gzzzlzlgzlgz e lglzlglz zlzzzlgggzzzl zzll zzglzggzlzzgl e zlz gglzzzz zzzlzzzg lzzggzglzzz zzzzz ggzggllz ggg zzzggz g zzgzzzzgzgl gzzzlzlzzzzggg ggzlzzzlzzlzzg lzgzggzzl lzzzzgzzzzzzz l z zlzzgzzz lzzlzgzggzlzl zg zgggzlzzllz B,C,F,Z,X d,e B->d|Zd|Xd|dCd|d|d|Xd|d,C->dFdd|d|e,F->Bd|e|d,Z->d|d|d,X->Fdd|dFd|e|Zd|d X 18 ddddd d dddddddd e ddddddddd dddddd dddd dddddddddddd ddddddddddd e dddddddddddddd e dd d ddddddddddd ddddddddddddd d dddddd H,Y,P,R s,e H->s|e|s,Y->e|Hs|s,P->e|s|s,R->s|Hss|e R 9 ssss sssssssss sssssss ssssssssssss sssssssssssss sssssss ss ssssssssssssss sssssssss J,F,V,D r,g,v,u,e J->uVu|g|r|r|u|r|e,F->e|v|g|v,V->g|u|Dr|e|Vv|v,D->g|Du|Ju|Fv|r|e|Vu|v F 29 ggrguu rvggrvgug vvgvguvvgvrgr g gvgggurrvruv gvrurgurg uuruurvvurrg vurgugvrrvrguv uv rrvvurg rrrrrggr e e gvvuv grugurvgvrru rv vrguuvrvrvrgrg rr e e uu rrv uuuvrrvrv ugvgurrgvu rr vuu uuurgvgugrvvru gvvgugrvru e H,B x,e H->x|xBxx|xHx|e|x|e,B->x|xHx|x B 28 e xxxxxxxxxx xxxxxxxxxxxxxx xxxxxxxxxxxxx xxxxxxxxxxx xxxxxxxxxxxx xxxxxxxxxxxx xxxxxxxx xxxxxxxxxx xxxxxxxxxxx xx xxxx xxxxxxxx xx e xxxx xxxxxxx xxxxx xxxxx xxxxxx x xxxxxxxxxxxxxx xxxxxxxxxxxx xx xxxxx xxxxxxxx xxxxxxxxxxxxxx xxxxxxxxx M,U,I,W,K m,q,i,j,e M->Mmj|mUmi|Wi|iUmq|e,U->Uim|Ki|e|m,I->q|Iqi|Wq|m|e|Ki|Iii|q,W->Uq|jIq|m|Wq|e|Mi|m|i,K->Ii|q|e|q K 15 qiijjqjjqm jjiimqimjj jjjqmiqjijiq mmq jjqi j qmqjqqjm im qjmqiim iii jjqqjj iqi iiimj jjmqjmqqmijmqj iqij T,Y,O,Q,L l,c,h,e T->Th|c|l|Tc|h,Y->l|Tl|h|h,O->e|Tlc|c,Q->c|Lh|Tc|Lll|c,L->c|c|c|cYc|e Y 25 cchhchh lllhclclccclll lclc llclhlll hl lhcclcll lchhhhc llh hlchcchlc e hchlccchl hclccl c c lhhlcchccclhch clclc clclc hchlhchclll cllhclh cl clccchc hhclllllccc lclclchchhcc chchhlcclch hhlcccllcl X,L,M,P t,c,m,e X->m|Mcm|m|m,L->m|m|c|Xcm|Pc|e|c,M->tMt|e|cMt|e|m,P->Mm|t X 12 cmcmcmmtm cmcccmcmtc cctttc e ttmtm mmtmcctcmtmtct mcccmc ccmcmmctcct cmtmmtctccmc mtmtccmttmtmt tmttmmc mcmmcct V,Q,G,Z,B k,t,e V->k|Gkt|Qt|k|t,Q->Qt|tVkk|t|Zt|k|e|t|t,G->Bt|Ztt|e|e|t|k,Z->e|e|Zkk|Gt|t|t,B->e|kZt|Gt|t Z 37 e kttk ttk kktkkttktkkttt kttkktt ktkk k tttkttttk kttktkkttkt e e ttkktttktkttkt e tktktk ttkkkktttk ttttktktkkkk ttkttkkttkk e kkttt kktttkkkkktt tk tktktttkttkkk kkkktkttktkt ktkttktkkttk tkttkk ktttkt tkttktkkttkt k tktkttkktttttt ttttttktk kkttkkkkttk ttktkk ktktkttkkktt tttkt tttttkktt tktttttttkttt kkt P,V u,v,b,y,e P->Vyv|vPu|Vu|uPy|v|y|u|b,V->Vu|uVy|e P 50 bb bbyvvuuuvuv yyu bbbbyvvv e yvyvyyubyybuy vuuuv buuvuyuy vvbvuvyy v u bb e y buuvy yybvyvvuub yu uuybyvybybu uvvbbbyuuyvyyv vyvu yyuyuvuuuy bbubbvuyubv u byyubuvubv yubvyyuy uuvu vvvvbuyyuyubb vyvvuvyyvuby uvuvuvy u uvyyybbbyvu b yvbvvvb vyybbbvuuvv bbyyubybuu vyvbbbvvu vuubyuvbyuvuy uvv v bvvyy ubbbbyuuyyyb uuyby ubyuybvuvyuv yubvb vvv vu b byuvy vuvvyb uyubvvyuyb A s,k,e A->k|s|e|As|e|As|Aks|s A 40 kkkkskksksksk e kssk k kkkkkkk ssskkkkss s kkksskkkk sssskkkkkkkks skskkkskkksks kssk kksssskksssss skskkk s kskskssskskkks ss ksss kkkkkkssk kkssskks ksssks kkss sskssskkk sskkkss kkssk sskkkskkssks skkskssk sks sksks kkkkkkkskskksk kskkkssksks kskksssks sskskssk ksksssskkkss kksksskkkssss e sskkks kskkskkk sskskkksskssk ksksss sksk I q,c,p,e I->q|p|q I 33 qcq pqppq cppcpqpcccpp pcppppqpqccqp ccqqqpcqcqppc qqpcppc cpccqqpq ppqccccqpcqccc pcqcccq ccc ccpccccqcp qcqccqqq ccpcqqcqppqcq cpc qpqqcqpqp ccqqpqppcp cqqqppcqqpcp pcqppqqcc pc cqqppqcccpqp ppqpp cppc c qqcpppqcq e ppqpqccpcqqc qpcppccqp cqqpcqccp qpqqpqcqqq ppppcqppppc ccccpq cccppcpppqpppq qqqc V,Y,O n,b,f,e V->b|f|e|f,Y->Vb|Vb|b|Vbb|b|n|Vbn|e,O->Ybn|f|n|b|b O 36 fnnnnnnf nnnbfnf ff bbnbnfnfff bbfnf bbfbbfffbfnffn e bbffbbfbffnbb bnnfbnfnbnbnbf nbbfnfbfnfn bbnnbnnnffbnn nfnfnfff nbffbfnbnnfnb fb nnbbb n bbfnbnfbbn nbfbf fffbfbfb bffbbnn e fbf fnfbfnfnbnnnbf bfnn ff nbfbfbn bn bnbbbffn bbffnfff b fn nnffbnn fnfbfffbb nnffbnbnbnf ffnbnb nffbbfb O,T,Q q,u,e O->Ouu|q,T->qQuq|Tu|q|qQuq|Qq|Oqu|u,Q->q|q|Oqq|q|Tu|q|q T 28 uu quuquu uuuuqquqqqquuu uuqqq uquuuquuqu quuu qqqu qq uququuquuq uqquqququuuq uuquuquqq quuuuuqq u quqquqq e uuqu uuuquuuuuu uuququuqq uquuqquuuuuuuu uuuuquqquqqquu uuqqq qququuqquuuqqq q quuqququqquqqu uu qquuuuuqu qquuuq qqu M q,d,k,e M->k|d|e|Mk|Mk|e M 7 kqqk kqk kkdqqddkddd kkqkdqddd q dkdqqkqdk dqkqdd F,U,K b,h,i,d,e F->i|Fb|h|e,U->Fd|d|b,K->Kd|e|d|e|dFb|Kid|d|e U 34 dhhhdh ibdbdddd idhib d hbddh i d ihihbidid ddbddiddib iihhiihibdi iibbb e hdhhhhbbbhdb dhhhih ibddibi dibhdhbbbbddhd hih bhbdidd hbdh bdi iibiihbb ibbidb hdhhih iddb bddhbdibbid bdihbiiidbdbhi hdbhdhi bdhdbhddhdi id hihiddbbddbhid dhhdbddbhhh ibbihibhdd bbidbi dd F,K,Y,L k,p,j,e F->Fp|k|Kk|k,K->Kk|Fj|e|e|e|k,Y->Fk|e|jYk|e,L->Fjp|kKp|k|k|k|kFpj|k K 41 kk e pkpjpjkpkp kkjkpkkkk jkpkkkk pjpkjkkp pkpjp kkjkppkpjjkjkk kjpjppjjkkjjk kppj kpppjppjjpj kpjkkjj pkpk ppkkkkk jkkjpkjpk kkkpkkp jjjjjjkpkkj kj kpkpkjkkjk kjjp pjkk kkk kpkp k kkppkjpp e e kkpkkjk e jkpjk jjkjjkpjpkkkjp kjppppkkpjk ppkkppkkj jkkkkjkkkpkkjk kpkkkjpkjppk kjpkjkj jkjkjpjp kpk pjpjkkjk ppkkk jpk M,H,Y,Z,J k,b,r,c,e M->e|Hc|b|b,H->bJk|e,Y->cYk|cYk|bHc|r|k,Z->e|Yb|Ykc|Zr|r,J->k|e H 13 c ccrbkbrckrk kbck cccbrkbck rbrbbbbkrcrb cc cbbkr rkbkcrbb e rrbkrc r rccbkkk bkrkrc D,M m,x,w,e D->Dw|m|x,M->e|x|Mxw|Mm|Dw|xDm|m D 7 wmw wwxw xmmwxwwwxxxxx wmwxmwwxwmwx xx xwm wxmmxxwwwm L,A,U f,e L->f|fLf|f|Uff|f,A->f|e|f|f,U->Af|Uf|f|fUf|e|fAf|e U 54 fffffffffff fffffffffff fffffffffff fffff ffffff fffffffffff fffffffffffff f ffffffffff ffffffffffffff ffff f fffffffff ffffffffffffff e fffffffff e ff fffffff ffff ffffffffffffff fffffffffffff ffffffffffffff ffffff f ffffffffff ffffffffffffff ffffffff ffffffffff ffffff ffffffffff fffffff fffff f e ffffffff e ffffffffffff fff fff ffffffff e ffffffff fff ff ffffffffff ffffffffffffff ffffffffff fff ffffffffffff fffff ffffffff fffffffffffff ff G,D,V,P q,a,i,v,e G->e|aGaa|iDa|i,D->i|a|q|a|v|Di|e,V->i|e|Va|v|e|e,P->a|v|i G 35 a iqa v iqaiqvavvv iiqaqqiiqaavvi e qqaai qviiiqqqvviiai iviiaiaavavqq iaaqiaaqqvi iqqviai vvaviavqvqvvav aqiiivaqvi vai vqivqqvqvva av a qaqaaa vqaaqiaaqaavqi vi e iiiiviqva qvviavi ivqiqivqaiiviv e iavvqvqqaiaq iaaqviiqvqq e aiv e qaqivaqq qqiv aqviaiviavqv v iqqqqvavaqvqaa U p,x,m,q,e U->Up|x|xUm|p|qUp|m U 31 xx xqpqxpmxmppxp pq mxxmpmmpppp qpqpxppqmxqqp mqpxp mmpx pm qxmpqmpmx qxqpqqmpx qqmxqqxxxmxmm qqmmqp qx mqqxmqx pqxxpqxpp qmpqpqqxmqpx e mmx mmq pxmmxqmq pmx pp qpqxqpxqxx xxm xxxmqppqqxmm mqxpmxpxqppxp qmxxxxqqmx e pmpqqqxpmqppqm e qxqqxpxpmqp F,L,A,N,O l,e F->e|lLl|All|l,L->Ll|Oll|l|Nl|Fl|l|l,A->e|Ll|Ll|l|l|l|l,N->l|Lll|All|l,O->l|e|l|Ol|Ol|Ll|l F 37 e llll ll e lll lll lllllll lllllll lllllllllllll l lllllllllllll lllllllll llllllllllllll llllll e ll l lllllll l llllllllllllll e ll lllllll llll llll llllllllll lllllllllll ll lllllll llllllllllllll lllll lllllllll llllllllllllll lllllllllllll lll lllll llllllll A,Z,U,O r,e A->e|r,Z->r|r|r|rUr|r|r,U->r|r|rAr|Ar|e|r|Ar|r,O->r|e|r|Or|r|Zr|r|r O 48 rrrrrrrrrrr rr rrrr rrrrrrrrrrrr rrrrrrrrrrrrrr rrrrrrr r rrrrrrrrrrrrr rrrrrrrrrrrr rrrrrrrrrrrrr rrrrr rr rr rrrrrrrrrrrr rrrrrrrrrrrrr rrrr rrrrrrrrrrr rrr r rrrrrrrrrrrrr rrrr rrrrrrrr rrrrr rrrrrrrrrrrr rrrrrrrrr rrrrrrrrrrrrr r rrrrrrrr rrrrrrrrrrrr rrr rrrrrrrrrrrr rrrrrrrr rrrrr rrrrrrrrrr rrrrr rrrrrrrrrr e rrrrrr rrrrr rrrrrrrr rrrrrrrrrrrrrr e rrrrrrrrr rrrrrrrr rrrrrr rrrrr rrrrrrr rrrrr N,R,B,X,I j,e N->j|jIj|j|e,R->Bjj|Nj|Nj|Bjj|e|j|Nj|j,B->Xj|Xjj|j|Bj|jIj|e|j,X->j|Ij|Rj|j,I->j|j|j|j|e|j B 11 jjjjjjjj jjj jjjjjjjjjjj jjjjjjjjjjj jjjjjjjjj jjjjjjjj jjjjjjjj e jj jjjjj jjjjjjjjj I,G,U,E,W a,e I->a|a|Gaa|Wa|Ea|a,G->aEa|e|e|a|Ga|aIa|a,U->Iaa|Ia|a|e|a,E->a|a|a|a|a,W->Ga|Ga|Ua|a|a I 30 aaaaaaaaaaaa aaaaaaaaaaaaaa aaaaaaaaaaa aaa aaaaaaaa e aaaa aaaaa aaaaaaa aaaaaaaaa e aaaaaaaaaaaa e aaaaaaaaaaaa aaaaa aaaaaaaaa aaaaaaaaaaaa aaaaaaaaaaaa aaa aa aaaa aaaaaaaaaaaaa aaaaaaaaa a aaaaaaaaaaaa aaaaaaaaaaaa aaaaaaaa aaaaaa a aaaaaaaaaa S,I,V u,s,e S->Iu|Suu|Vsu|u,I->sIu|s|Ssu|Vu|u|s|e,V->Ss|u|Ss|e|e|s V 27 usus sssuuuuuusssuu e uuuuusssussus e ssusussu sususuussuus ussu usssusssuu suuuusu uussuuuuu usussu e suu ssssu s uuususuussuus susuusuussssu sssssuuusus suus uuusuuusuuu ususu e suu uususuussuuuu usuusu uuususu S j,a,p,e S->j|aSaa|Sa|e|a|e|a S 48 pjjjpjjap jjajajpppjja jjjj ajpaaajpaappp ajaappajp j jpaapjj jjpappjj p appj jjjjajpajjjjp ajapp e e p ajjjpjpppjjppj p jjapapjaaj e aajjajja jpapjaapp ajaaajjpjpp p j p apjjj pp e japaajajjjjaj jppjaj j aaa pappjjjpjj jppa appjpjj jappjajjajajpj apjjpjjjjpjppj paja e jjp pjp a jajjjaapjaj e jj pajj e apaaj X,W,M c,p,l,e X->Wc|l|Wl|c|Wl|Wlp|Wc|p,W->Wp|c|p,M->p|cMp|Xc|l|c W 21 pllpplpplcpplp llpllllpclpcc plllcl e lpplplll pllpllplcclp plc clpcplcclppcll cllclpcclplllc cpplllppllcpc llpclpl l plllp clcppcllccpl pcclclcpllpp plcplplpccccc lp pcccpclpllll lccpcplpclcpc clpcl llcpp M,E,V q,c,e M->Vq|e,E->e|qEq|e,V->q|c|Eq|q|Ecc|e|c E 25 qcccqqcc ccqcc qcqc ccq cccqqcq qqqqc cqqq ccqqqqcc qcqccqcqc c qqqqqq cqqcqqcqc qqccc qcqc cqcqcqcqq cqqcc qqqccqc cccqcqccqq qcqcqqqccqqqqc ccqqccccqqc e cqcccc ccqcqccqcqcc cccqcc cq U,E n,z,e U->En|z|n|z|n|n,E->z|Uz|z U 20 nn n zzn z z nnznnz zz nnnnnnn nznnzzz nzzzzznnnzzznn znnnnnznnnznz zznznnnzznz e zznznznznzznn znznnznnzzzn zn zz nnnzzznnzz e zznznzznznnzz G,D,A w,v,m,e G->Gmm|w|Dw|Dww|Gvw|w,D->Av|e,A->m|Aw|Am|Dmw|v A 46 vvw vw mmmmmvvmww mmwmvvw mvwwmvvvmvvwmm wmwvmvvwm wwwmmww mmmwwmvwwwwmv wwwwwmvmvm vwwm wvvvvvmvvm mmmwmmm mwwmmmmwwwvmvw mwwm wmvvwwmmmwv vv vwwvmmwvvvvw wmvvmvmwmwmmm vwwwmv mwmw mvmvwmvvwmvvw vvmvm mwwvvv m mwvww mvmwv wvvwwmmvwmvmw e mvmvvmmwvwmmmm mmmvvvmvwww w mvvmwmwmwwm mmmwmvmwwwmwvv vwmwwwwm wwmwwmww ww e wvvmwmmmmmm mw wmmmvmwmvm wv wmmwmv wvmvmmwmvmmwv wmwvmmvw mw vwvvmmmmmwwww D j,d,m,e D->Dm|Dd|m D 34 mmmmmdmdmmdd jjmmmjmjjdmj djdj djdj mdmjj dmmjmd ddjmjd mddjjm m jmjmjjdjjjd dmddm mjjdddd mmdmmmmmjdmd mm jmdjmjmdddmd dmmmj djd d j jjmd jmjjdjjj jdjmjd d mjjmddmmmddmm mmjmmm mjdmmdddmm djjdmmjjdddddj mjdmdmmdjddmd ddjj jjmmddmjmdmddd jjj dmjjmd djdddmmmjddj jdjmdmdmjjjmmj B g,t,p,e B->Bt|Bg|g|Bt|e|g|e B 8 gtgtgttgppppg gtgggggtgt ggptggttttpt pp gptp ptggptggggptgg pggpgp tttg Q k,f,a,e Q->k|Qfk|e|a Q 13 kf fakkkaaa kfkfkaafk aak afafkak kfafaffkfafaak fafkkfkkkaf fkffakffkk afakkkfafak fkafkkkfka fafakffaa kkkkfafaffk fkakkkkakkkf G,U,M,P j,r,a,x,e G->x|Ua|rMj|Ur|e,U->Gr|Pr|Uj|x|Gr|r|Pr|j,M->j|e,P->a|aMjr|j M 34 axajrra jx ajara rrrrrajjrxjajr jaxjarxr e aaajaraajjaax jaxrxj xjxarrxxraxaja x jra rjxaajjaaxa ajx xraarjj e xj jaaaaarxrxaxxr xjjajrrxax rxajj ajarjjxj rjrjxar xarxxxrxaja rxa jrrjjjraaaa arjxar xajr xxrarrxjxjra jrxajxjr rrjrxjjra jxx aja rajaxjxaaax xjrrxjaxj arrrjjrxjx J,P x,t,e J->Jt|t|Jx|e|t,P->x|e|tJt|e J 50 xxt xtxt ttt xt e tttxxttxtt ttxx xxtttxx txttxttxxttttt e xtxtxtttx txxxttxtx txtxxxtx xxxt txtttxx ttxtxttttxtxtx txtxxtxttxxxx txxxxtttxttxtt ttxxxt xtxxxttxt txxtxxxttx xxttx ttxxt txtxx xxxt xxxtxxtx e txxtxtttxxxxxt xttttx txtx tttt xxxttxtxx txxtxtxtt tt txxxxxxxxtx e xxtxxtxtttxtxx xx x txxxtxtxttxtt xtxxxxxx xt e xtxttxxxttxtt xx xtxxxxtxxtxtxt txttxxxtt xttx xxxxttx xxxxx B a,c,u,e B->c|a|u|u B 8 caucua e ua e uucuaa cuucuuaac ac aaaa C,L,Q c,z,k,v,e C->Lz|Lk|c|z,L->Qv|e,Q->Cc|e|c C 47 vzkcvczvzzk vczzkzvckvv vvcvz czvvcvvvv zkvckvc z kzvzzvczczz zczvcvkc cvvcc vcz zkvzkcvczczkcc vvzc zkvvzzc vv v zv ckkv cvczkzcv zkzk vzvkkzzcczv zvzcvzccvk z zvz zkzz cvcvkkkkv kz kzzkvc zkvkkvkvkvzkc cvcvzvzvc zvckvvvvcck czzkvvkkvcvkv kcvvkv kcvckzkvvvvczk cczvkvckv kzzkcvc zckvckkvkkvz vzckvvkvc ckvzkckcvv ckzczcvzkzc zkvzcvk vzc kzzkzkkkkvzc vczccczkczvv ccckzkk kzk ccckz cccvzkzkckv D x,s,w,i,e D->s|w|Dx|Dw|xDs|e D 9 sssixiwsisw xxxwwi wxxw x sxiii xwxi e xsxi xi O,B,N,P,E k,v,e O->vPk|v|e|k,B->k|k,N->vPkv|v|v|e|k,P->k|Bk|v|vOvv|e|k,E->v|v|kNkk|k|e|e B 11 kvvkvkkkk vvkkvkkvvvk vkvkvk kvvvvvvkkvvkk vkkvkvkk kkkv v vvvkkkvvkvvk vvvvvvk vvkvvvvv kvvkvvvvvvk U,A,Y,Q,T g,y,x,e U->y|e|Qyy|g,A->xUgg|Uyg|g|Tx|Tg|g,Y->g|Tx|y|x|Yxy|g,Q->x|Ygx|x,T->x|y|gQy|gYy|x|e T 42 ygxxggggyxgyy yxggxyg g xggxgggyxggx xgyygxg gyxggxxxggyygg ygxggggxygygx xxgxg xgxggggxxg xgxgygggg xgggxgg x e xggggggg ggxxyyxggx yggggggggxxxxy g yyxxgg ggyxygxgxggxg xggg xygx xgyggggyxggxgx gxxggggggxygg xggggyyxgg gxggxg yyygygx yggxygggxgygg xxxyxggyyy gggggx xygxyyx xygygygx yggxyg yygxygxgxyg gxxgygxgxyx gxygygggx ggxgxygxgxg gggyygxygygxy xygxgggggxxg gxgg gyxg e gxggyg P,R,T j,b,q,k,e P->e|jTk|j,R->e|k,T->j|qTq|Rq|j R 43 kjqkqjqjqjk jj kkkbb qkjqkjqb qjkjkjbbqq kjbbjqkjjbk bjkkkjkkbk bkbkbj jbqkkqqjbj qjbq bk kbjk qkbqqkk jbqbjjjbb bqj qbqbkbbbq bbkqkb kjjjkjbkkjj qjjqj kkjbq bqkjjjjk kkqkkbkjbk jbjqkbkqjqk kk jk jkqjjkkjbkk j qjkkbqbqkjqb jqbbkjqkbjjkb bbk bbjqbqqjqkqqq bbbqjqqbbbbkj bjkjb q kjkjjkqbkkb kk kq qjqqjbbqb bqqqjbbbbqkjk qkbkqjbbjkkj qkbbjkqkbkkk bkqjqkb bkqkbjj N,C,F,O x,k,o,u,e N->o|x|x|u,C->Co|e|Fou|o|x|x,F->Fxo|uOox|o,O->Fu|o|u|u|x F 46 ukokxx ok xuuxkooox kkuooouxoku kuuouxux uk uoxokuk xkxxxkko kuuuoxuuoxxu kkk oxkoxkoxxx e oxuoxxxkuku x kok ukkukkuuxxuxk kkkkkxx koku u e uxoouuouukxku uk uukkxkxuoo uuukoxxkuuuxok e okokuxk kkkoxkxx kx ooxouoxxkoxxk xou xxo xkukuxxuououuk kookxox xokoxuoouoxou xuxkkkoukooxu ouuxoxxkx e kkooooku uuxkkkkkxuukx uuxkkkoxxox ouoooxkx okuouok okk xxxuuxuxkoouu kouxxko kkuo C,N,G,U f,e C->e|e,N->fGf|fCf|Nf|f,G->Uf|f,U->Gff|f|Gf|f|Gff|f|Nf|f N 36 fff fffffffffff ffffffffffffff fffffffff ffff fff ffffffffffffff ff ff ffffff ffffffffffffff ffff ffff fffffff fff ffffffffffffff ffffffffff ffffffffffff ffffffffff ffff fffffffffffff e ffff fffffffffffff fffffffffffff f fff ffffffff fffff ff ff ffffffff e e f fffffffff W,I,L,R y,e W->y|y,I->Ly|Wy|e|yLy|Iy|yLy|y,L->y|Iyy|yWy|Iyy|Iyy|y,R->Ly|Wy|y|Wy|y I 23 yyyyyyyyyyyyy e yyyyyyyyyyyyy yyyyyyyyyyyyy yyyyyyyyy yyy yyyyyyyyyyyyy yyyyyyyyyyyyyy yyyyyy yyy e y yyyyyyy yyyyyyy yyyyyyyyyy yyyyyy yyyyyyyyyy y yyyyyyyy yyy yyy yyyyyyyyy yyyyyy H,E,K,V b,q,f,v,e H->v|v|e,E->fVv|v,K->q|Vb|Eb|f|q|b|b,V->Vv|q|v|Ebb|Kvv|b E 6 e qffqvqv e bvvvqvffqb vbfbbfq qvqvbqffqfffb J,V,U x,f,n,g,e J->xJx|x|Ugn|n|e,V->Jng|x|e,U->g|g|xJfg|n|e|Vg|n U 11 xnfx nxggxfff fngfnngngxxn xgffnnfx nf gxnggffnx ffnnfffxgfnfn e fxnxxxggxfff ffnfffnf nxnfgffnf A,B,E,G l,b,m,e A->b|m|Gm|b|b|b,B->b|m|b|l|l|m,E->l|e|Bm|Bm|Bmb|m,G->l|b|Bm|lBb|e|Bm|e B 29 e blbblllbmblmb bmbbmlbbllbbb blllmml bbmmm lmlmb bb e ll mlmmm mmmmmbbmb lblm mlbbbl mbbbmllllbblm bmmb mbbllmb mlbmbm lllmbmmmblmmmb lmblmmbbbmllbl lmlm bmllblblmmmlm mlmblmllm lmbblblm bll lbm mlblbmbmmmlb llmmlbmbbblll mlblb l Q c,e Q->c|c|c Q 32 cc ccccccc ccccccc cccccccccc cccccccccccccc ccccccccc ccccccccccc cc cccccccccccccc cccccccccccccc cccccccccccccc c e ccccc c ccccccccccc ccccccc cccccccccccc ccccccccc cc cccccc ccccccccc ccccccccccccc ccc cccccccccccccc ccccc ccccccccccc cccccccc ccccccc c ccccccccccc cccccc R,G w,y,e R->Ry|w|y|y,G->w|e|Gw|y|Gw|e|w|e R 32 wwy e e ywyywwyywy yyyywwwyww ywyywyyww wwwwyywy wwww yy yywywyyyw ywyyy yyw wwwywyyy w ywwyw wyyyww wwywwwwwww yyywyw e wyyywywy wwwyyywwy yyyyywywy yyywyyywy yy e ywyyy ywywwyy wwwwwywwyywyy yywywyy yyywwwywy wyyyyyyywyyyw wywyywyyy R,A,X m,f,e R->m|Rm|fAf|f,A->f|e|Amf|f|e,X->e|f A 53 mffmfmmmfm fmfmfffffmmmmf ffmff mffm ffffmffm fmffffmf fffffffm fmffmmfmmfmmmm ffff fmmmmmmmmfm mmmmffmffmmf ff mmfmf mmmmmmmmmf mfff mmfmmmmfm mmmf mmfmmmmffmfm e mmfmff fmf mfmmfff mmmfmfmfmmm mmmffmffmffm mmffmfffmm mfmmf mmmmmfmffm fmmfmffff mfmfffmfmfmm mfmmmfff ffmff mfmmfffmmffff fmfmmffmfmmffm mffmmm ffm ffmmffmffmmmm mffmmfffff mmmf mmfmmfmfmmfmmm mfffm e mmmffffm mmffmmmmfmf mmmmmfffmmmfmf fmmmmffmf fm mmmmfffmmf mfmffffmffm mmmmmmmf mfmfffmmmfmm fmmm mffm fmfmmm K l,e K->Kl|Kl|l|l|l|l K 52 ll llllll e llllllllll lllllllllll llllllll lllllllll lllllllllllll l lllllll llllllllll e llllllll lllllllllll lllllllll llll lllllllllllll lllllllll lll lllllllllllll llll lllll lllllllllll lllllllllllll lllllllll e lllllll lllll lll e lllll llll e lllllll llllllll lllllllllll llllll llllllllllllll lllllllllll l llllllll lllllllllllll llllll lllllll llllllllllllll lll llllllllllllll e lllllllllllll lllll lllllllllllll llllll F,V,T,U,O f,e F->fOff|fVf|Fff|f,V->f|Vf|fUf|e|fVf|Tf|f,T->Ff|f|f|Uff|Tf|f|f,U->f|Of|Vf|Fff|Vf|fUf|f,O->fFf|f|e|f O 19 fff ffffffffff f ffffffffffffff ffffff fffffffffff ffffffffff fffffffffffff fff ffff fffffffffff fffffffffff ffffffffff ffffffffff ffffffffffff ffffffffff fff e fffff W,I,L,T g,j,z,e W->g|Tgg|Ljz|z|gIj|j|e|j,I->Lg|Lj|g|z|e|z,L->Ij|Tg|gLz|Wzg|jWg|g|j,T->z|Lg|g T 45 zjgz g jjjggjzz jgzgggj e jjjg e jgzggjjjz jjggj jzgzgzzjgzzjj zzg jz zjgzgjg zgzjzg jjgjgzzjgz jzzgzzjggjj zgjjjj jzgjggjjggggz jjgzzg zgjzgjgzjz jzjzjzjggzgj zjggjzgggg jgjjgzgzz jjjgzzg jgzjgggjjz j z z ggjzgj jggjgjjgjgz zzgjj gggzzzj zjzz gjg zgzzzjjggg zgzzgj zgggjzj zzjgjgg gzj zgjggjgjzzj zggzjg gjgzzj jjjjjzjjggjjj jzgzjgjjjgggj gggzggz K,W,Z w,e K->w|w|Zw|wZw|w|w|w|w,W->w|e|Ww|e|w,Z->wZw|w|w|w W 44 wwwwwwwwwww wwwwwwwwww wwwww wwwwwww wwwwwwwwwww ww wwwwwwwwwwwwww wwwwwwwww wwwwwww wwwwww w e wwwwwwww wwwwwwwwwwwwww ww wwwwwwwwww wwwwwwwwwwww wwwww wwww w wwwwwwww ww w wwwwwwwwwww wwww wwwwwwww wwwwwwwww wwwwwwwwwww wwwwww wwwwwwwwww wwwwwwwwwww wwwww wwwwwwwwwwwwww wwwwwwwwww wwwwwwww wwwwwwwwwww wwww w wwwwwwww wwwwwwwwwww wwww ww ww wwwwwwwwwwww N,Q,Y,U v,w,f,e N->Nv|e,Q->Qf|Yw|v|f|v|v|e,Y->e|vNv|e,U->e|Nf|e|e|w|f|v|e U 45 fv e vvfvvfwvvfwff e wvfvfwfwwvvv fwvfv ffwvwvvwvfv e fvwfvfvvfww vfwvwfvvvf ffvwvvfw v fw fffwfvwvf fvvvvfwffvff vwwffvwfvvv wvwwffvfwwwww e ffvwvvwvwfvw f vvwwwfvfwf vv w fffwvfwvf ffffwfffvffwvf vfvwvf fvvvvw fvf fwwffvffwvw vwwwfvwfwvwvf vwwfwff wvfvwv wwvwvvvfwvvwfv w ffwwf fvfvwwvffwvw vvwvfvwvfvvfw wwwv wvvf fwwfvfffvwvvwv wvfvwfvwv fwfvfvvvfw fvffvvvvwfvw fw w H g,e H->g|g|e H 51 ggggg ggggggggggg ggggggggg ggggg ggggggggggggg gggggggggg gggg gggggg gggggggggggg ggggggggggggg ggggggggg ggggg g ggggg gggggg g gggggg ggggggggggg ggg gg gggggggggggg e ggg gggggggggg gggggggggggg ggggggggg gg g gggggggggggg ggggggg ggggggggg gggggggggggggg ggggggggggggg gggggg gg ggggggggg gggggggggggg ggg gggggggg ggggggggg g gggggggggggggg gggg gggggggggggggg ggggggggg g gggggg ggggggggggg gggggggggggggg ggggggggg ggg T s,h,n,y,e T->n|nTh|s T 42 snnsnynhyyhh hyyhs snsy yshssyyn nyshyyhysshhn y nnhn nhshynnh ynshhyy snnssshyhn snnssshhynn hhhshnnyyh e h yhhynyhnn hhnhhyhs nyshnsnnyyhy hhyhsshh snsynhsnyhnsy hhhnnyhyny syhnshnnynsyh hnsshy hsnnsnn nhyssy hyhn snhynnynhnysy hhnshnnsy nshy yh shyyyns ysyhnyhyhynhnn nhnyyns hhyyhyhhnsyhsh nhyhhshnyn shnhsynnn snynyhnsyyhnhy yyyyhnysyynsn nnhsshsnnyn nysnshys hyhshny nhnsshnnhhnnsn ssnh S,G,X f,e S->f|Gf|f,G->Sff|f,X->fGf|f|Gff|Gf|Gf|f S 33 e f ffffffffffffff ffffffffffff fffffffffffff ffffffffffff fffffff ff fffffffffffff fffffffffff ffffffffff fffffffffff e fff e e fffffffffffff f ff ffffffffffff ffffffff ff ffff ffffffffffff fffffffffffff ffff ffff f ffffff fffffffff fffffff fffffff fff Q,P,E,N,U q,h,l,e Q->Pq|l|l|l,P->h|hNh|h,E->l|e|q|l,N->l|Plq|l,U->e|Nhh|q|e|q|h N 30 qqlhhlhhhl lhqhqhh llhqhqhlqh lqlqhllqhl hhhllhql lhhlhhlq hlhhhllq hlqlq lllhhh h lhhh qhqhlqq qhhhqq llqlhqh lhhlhlllqq qqlll qhhql llqhqhqhhqll qqhllhlqq lhlhhlql qhhlhqqhhqlq qlhlhhhlqqhhq e lllhqlqql qhq e qlhhlhll llhqq hlllqllqqlq llhlh H,Q,U,L u,y,e H->yQy|Qyy|Ly|y|u,Q->uUu|u|y,U->e|Hu|Uy|u,L->Uy|yUy|Hyu|e|y|y|y U 6 yu yyyyuuyy yuuyuyuyyuu uyyyuyyuuuuu uyy uyyyyyyuuuuyuy M,V,W m,b,e M->Mb|mMb|bWb|m|m|bMm|b,V->m|b|Vb|mWb|b|b|m|m,W->Wb|Wm|e|e W 17 bmbmbmm bbbbmbmmm bb b mmbbbbm bbmbbbbbbbmm e b b mbbmbmm mbbbb m bb bbmbbm mbmbbmmmbbmm mbbmbbmmbbbm mmbmbmbmmmb S v,e S->Sv|Sv|v S 46 vvvvvvvvvvvvv vvvvvvvvv vv vvv vvvvvvvvvvvv vvvvvvv vvvvvv e vvvvvvvvv vvvv vvvvv vv vvvvvvvvvvvvv vvvvvvv vvvvvvvvvvvvvv vvvvvvvvvvvvvv vvvvvvvv vvvvvvvvvv vvvvvv vvv vvvvv vvvv vvvvvvv vvvv vv vvvvvvvvvv vvvvvvvvvvvv vvvvvvvv vvvvvvvv vvvvvvvvvvvvv vvvv vvvvv vvvvvvvvvvvvvv vvvv vvvvvvvvvv vvvvvvvvv vvvvv vv vvvvv e vvvvvvvvvvvvv vvvvvvvv vvvvv vv e vvvvvvvvvv N,U,A,O,Y a,z,e N->z|e|Ozz|Oz|Ua|Nz|z,U->zNz|z|Oa|a|e|z|z,A->Yz|z|Nz|Az|a|Aa|aYa|z,O->Yaa|a|zNzz|z|Ua|z,Y->Uz|Uz|Aza|Oaa|Oaz|Aa|a|e O 22 zz a azzzzazaaaaz aazaazaa aaaaza aaza aazza aaazzzazzzaaa azazazazzaa e zzzzazaaazaa e zaaaa azzazza zzaa zazaaz zaaaaaza e aazaazazaaaz azaazz azzzaa azzz Q,V,T v,o,e Q->Tv|Qvv|e|e|Tvo|Qo|o|e,V->o|Too|vQv|e,T->e|v|v|Tv|v|o V 46 vvvoo ovvvvvovvooo ovovovvovvov vvoovvooovoo ovooovvvooo ovo voovvoovvo e vvv vvvoovovooovv ovooo oovvovo vovovovo vovovooov ooov oovoovoo ovvvvvovovvv ooooo v vvvo vvovvoovvvov o vovo vvovoooovovvvv ovvovvo vvooovvoovoo oooovooooovo vvvovovvvovvov voovvoovo e voooovoovvv e oov ooovooovovv vvvovoovov vo ovooooooovovv vvooooovovvov vvoovovv ooovvovoovvo ovvvvovoo ovovovvvvovvo oovooooovo vovov ooovvoovoooo ooovvoovvvvvvo P,R,U,S,A u,n,p,e P->nUnp|n,R->u|e|pSp|p|Pu|e|p,U->Ap|e|p|e|e,S->uApu|Pn|p|nUn|p|n,A->e|u R 30 pppppuu pnpuupunppnnnp nup npuuup pnpn u pp pnpnpp pppupnnpuuppnp nuppnuupppu uppnuuppnpupp npppp nnpnnpu ppnnp unnpun puuu punppppnpnnn npnuupup uppppnp ppppupunppunp nnppupppp e ppn puuppnnnuuunnp ppppppp ppnp pppnnpuu unppp pupuppnpp ppnppp V,L,G,Z q,e V->q|qGq|qVq|q|q,L->Lq|Zq|q|e,G->q|q|qLqq|Gq|q|e|e,Z->q|q|Vq|q|Zqq|q|q|e V 27 q qqqqq qqqqqqqq e qqqqqqqqq qqqqq qqqqqq qqqqq qqqqqqqqq qq qqqqqqqqqqq qqqqqqqqqqqqq qqqqq qqqq qqqqq qqq qqqqqqqqqqqq qqqqqqqq qqqqqqqqqqqqq qqqqqqqqqq qqqqqq q qqqqqqqqqqqqq e qqqqqqqqqq qqqqqqq qqqqqqqqqqqqqq O,A,D g,e O->gOgg|gOg|g|Ag|g,A->gAg|g|Ag|g,D->e|Ogg|g|g|Ogg|g|e A 25 ggggggg gggggg gggg gg ggg gg gggggggggg ggg gggggggggg ggggggggggggg ggg ggggggggg ggggg gggggggggggg gg gggg ggggg g gggg ggg e e ggg gg ggggggggggggg F,N x,c,b,n,e F->Nx|Nx|Nb|e,N->n|Nn|Nb|Nx|Nn|b|x|c F 54 xbnnnx ccxccxnbbxbxbb nx cnxbxbnxxncx cbnnncnncxc cccxncxbx nnbnbnnbb bbcbnb nncnnxbccx x nbcbcxnccnx e nnccnncb xnnxxnbx c xxbbnnxbc xnxxccxc e cnbxxn xnnc nnxcxnx nbcbx x bcncxcxc nbxbcbcbcxxbcx bcnbnnn bbnnbxnnncc nxbxccnxxcbx bxxbnnxn xn xnbnbcxc cbnxbbcnxb nbxnncnbcxc xccxn cccbxccnxcbx b xnccccbc nb xxcnnxnnxcnb bbnxnnb bxxcccb e xnxcbbccbcc x ncnn cxcbncxnnbxcxn xxxcbn ncnb xbcbbbncn bnxnnccnbxncbc cbxcb bcbbncbncnbnc xxcnnxnxccbcn nnbbcxnccccc N,W,M g,f,e N->Mg|f|g|g,W->g|g|f|f|g,M->f|fNf|f|f|f|gNff|Mg|g W 15 fgggfgff ggggffggffgff ggg gfffggfgffgg e gffgggggffggfg ggfffgfgggffg gffggf gfgfggf ggg gfgf fgfgggfg gggffffgggfgfg gg ggfffgfgff C,E,S c,p,k,e C->Eck|e|e,E->e|Ec|Cp|Sc|e,S->e|p|c|c|e|k|k|e C 28 cckkkcpcp ckpk e kkp ppppckcc kkkcckckpcckk cpkcpppkp cpkpkckckpcc e cpckpk kpcpkkkkccp pccpkckcc ccpccpkpkkpc pkpkppkcckkpc kkpkkkckc cccccpppk e cpckckckpkcc p cckcccpp pcpkkpkkkppppp k cpcckckpcpc kc kpkpkkccckckcp pkpckppccppc kcpp cppkkppkkckkc H,C,R h,e H->h|h,C->h|h,R->Hh|e|h C 31 hhhhh hhhhhhhhh hhh hhhhhhhhhhhh h hhhh h hhhhhhhhhhhh h hhhhhhhhhhhh hhhhhhhhhhhhhh hhhhhhhhhh hhhhhhhhhh hhhhhhhhhh hhhhhhhhhhhh hhhhhhhhhhhhhh h hhhhhhhhhhh h h hhhhhhhhhhhhh hhhhhh hh hhhhhh hhhhhhhhhh hh hhhhhhh hhhhhhhh e h hhhh B,C,S,R j,e B->j|jBj|Sj|j,C->j|e,S->jRj|Bj|j|j|e|j,R->e|Cj|Rj|j|jRjj|Bj|j R 41 jjjjjjjjjjjj jjjjjjjjj jjjjjjj jjjjjjjjjjjj jjjjjj j jjjjjjjjjjjj jjjjjjj e jjjjjjjjjjjjj jjjjjjjjjj jjjjjjjjjjjjjj jjjjj jjjjjjjjjjjj e jjjjjjjjj jjjjjjj j j jj jjjjjjjjj jjjjjjjjj jjjjjjjj jjj jjjjjjjjjj j jjjjjj jjjjjjjjjjjjjj jjjjjj jjjjjjjj e jjjj jjjjjj jjjj e jjj e jjjjj jjjjjjjjjjjjjj jjjjjjjjjjjjj e N,Q,A q,l,g,e N->Nl|Qq|qQg|l,Q->gAg|Qgg|e|gAgq|l|Nql|Ngg|g,A->q|qAg|Ngg|lNq|Qq|e N 46 qgqgglgq qqgqlqlgql gggllqqqg g llllglll q qlgqqlgqglggg e q qlqglglqglgq ql lglg lgqqqqqlqgqgll e gqllqlqlgq qgqgql ggqggq ggglllgqlqqgql lglllq ggqqgglqqq llglqggqgglgq glgllgq lglqllgqqll lll qgqlllgqqqgl lqgggg gllqqqqglggqlq glllqgqgggg gqgggqlqlqgq qgggqqll ggllqglqgllqgg lqggllglg qglgl glqggqgllqqgg glgqgg gqggllgglqqlgg gqglgqlggqllgg e q llq glql qg qlqlggqglqqqql qggqgqlqlllgq l e Z,C y,v,m,g,e Z->v|y|g,C->y|Zm|Zy|m C 8 gvvyyyymy vvmvyv mmyggyggmy gm mggmygg gggygyyggg mvyvyyvvyvvyv mvgyvgmmvgmyvm K,R,A,E h,t,e K->Rht|h|h|t|h|e|Ett|h,R->t|Eh|h,A->h|Rhh|e|Eht|t|e,E->h|t|hKt|h R 49 thhhhhhhhttht thhthhh hhhhhtht hthhthtthh ht hthhhtthhh ttthhhtththh e hthhhth thhhhhhhhhth hhhhhhhh hhhh hthhthhttthht hhhhththhhhht h h hhhh htthtt thhthhthhhhtt hhhthhhh hh thhtt hthhhhht hth hhh htttthhhth hhhhhth hhth thh h thh thhththhhhh tt hhhttth httthhhhhhhhhh thhhhhhhht thhhhth e e th hth tt thth hthhhhhhhhhttt tht ththht hthhhh hhhhhhh htthhhththhthh O d,z,l,e O->zOlz|Od|lOl|d|e O 13 lzzzdzlldl l zlllddzzdlzddz zzzzl dldldlzzlzdzld lzdzddd dddld lzd zzzdzzldzzd l e zdddzzdl lllddlddd M,X,N w,t,r,m,e M->Mr|w|w,X->t|wMt|Nw|Nw|e|t|r|m,N->r|e|r M 46 rtttwrmwrmwwt mmwwwwtttmt ttm mmwr wm wmm tmrttmrwmrrt e wtw wtwmtwwrm mm wtmwrmmmtmrmr mtrmwtrtrwr wtrwwtmtwt rtrrrrtmwtww mrrrrrmrrwtt rrmrwrrmrwtm mmwrmrrwwttw ttwtwwwwt mtmmwrw mtwmttwwtwt wtrtwtrtrt twwwtttwmtrrw mmwr twmtwrrrtrrttm rwrwwrr rr e mrttrmtrtwmwmw rmmwwwtmm rrmttwmtmww wrmr rrmwwtwm ttmmtwmwmt rtrm ttttmrtmrwm tmtttr wtrmrmtmrrt trrrw rwrtmwwtwt wrmrtmmw mwrrtr rmwmrrtttrtrw ttrwrtmmrrmmt wrmwmtwrmwwt twtwtrrrrt L,M,X,Y g,u,n,e L->g|nMn|e|e|gLn|Mug|nXg|u,M->nXg|g|e|u|g|e,X->Yg|e|Lu|e|e,Y->uYu|n|Ln|uYug|n|g|e|g X 51 nunnn guugunuggnunn gguunnguugg nnuuggguggnuu gggngguguugugu gnnuunnggn uuguuuun gnnuggu nuuggungunugg ngnuugunug guuu nuuugggn e ggu uug nn uunnnnnnngu ggggunnun ug ggguggungugngg gnnggngug ugnggunngn ugg unnnggunugu ngn ngnuu guugungu nunng uu nunnu e uguuuunn nuunnunugugg nuugngnung e nnnuu nggungn ngugugnnugg gug ngu uguug u nunn nu un e gununu u nngnunngg gnguuuu nggng B a,s,f,t,e B->s|s|t|Bs|Bt|f|e B 50 tttttfssat ffftfsft afsfassf fsttsaftfattaa atf sasfftfsattaf assfaffst atstf sfstfsaff e a assaaafafatt t tssfffstt f aftaft e t ttsattfffs asttasttafftff at ttaasfftfst fstasfsfaaff tssftta fssaasasasssa e tttss e ttsfstffas fsfsafasataa ftsffssa f ataf sst fattsstsaaf ttsasstfssft tfasaaasfa e sstf aaaafa sta tatfs ssaasaaatatfa fafafts atft sssstts ssfstaaftf ffftssastta aafaffftattas affaffaa P t,f,e P->t|t|f|Pt|t|t|t|t P 28 e tt fttfftfftttt ttttfttttffft tfttff ftttttftfttt tttttt ffttffftff f ttttttftfttft fff tfftttttt e ttttffftt fftttttttfft e fttfttffttftt tffff tftfttfttft tttttttft f e ttttttttffff ffttftfttt f ttt tffft ttffttffff Y,G k,z,m,e Y->Gk|Gk|e|m|Gk|k|z,G->Gz|m Y 27 mmmkzkzzk kkmmkzmmk zkmkkzkkmkkkz mk kmkzkmkzkkzk mmzmm mmzkm kmmzkmkkkk z zmkzkkmm mzmmkkmmm z kkkmkkzmk k kmkkkzkkkmkk kkkmkkzk kk zmkmkzmzkmmm zkkkk mkzkkz kmkmz m mmz zmmk mkm mkmkmzzmzmkm e U,C,I,R s,n,e U->Isn|nRn|In|s|Rs|n,C->e|s|s|n|n,I->Us|n|In|sIs|Cs|s,R->Iss|n|s|s U 34 snssssnnssns ssnnsnsss nsssnnssn sssssnsnss nnnnsssnssnnsn snssns nsnsns snnsssnnnn nsnnnnnnssnnn nnsnsns s nsnsn snnnsssnsns snssns nsnnsnsns s snnn sn snsssssnsn ssnsnsnsssssns sssssnsssnn nssnssnssn n nnn nnssnss nsns nnnsssnsssnns e sssssnnnnssss nsnsssnn n ss nns n M h,g,e M->g|h|g M 29 hhhghghgggghh ghhg hhghhgghhhg hh hhghgggg hghhggghgghg hg ghgggghh hghhg hghghhghhghg h hhhgh hghghgg gghhhhghhggghh hhhhhghhghghh gh hhghghhhhhhh hgghggghh hhhhg e e ghhhghg hhghhggghhh hhhhgghhhgg ggghghgh gggghhghg h hghghh hghhhghghgghhh J,O,S,X w,p,o,e J->Sw|Xw|e,O->o|Xp|w|Xo|e|w|Jw|w,S->Sw|Sp|Jp|Oww|Spo|e,X->e|pXow|w O 11 o wpoppppwppoopp pw wowwo owwo po e wowo wpwowwo wwopopp wwwpowow J,S,D o,e J->Do|oDoo|o|oJo|e|Doo|So|o,S->Do|Do|o|o|oDoo|e|o,D->Jo|Jo|o S 48 oooooooooooooo ooo ooooooooo ooooooooo e oooooooooooo e oooooooooo oooooooooo ooooo oooooooo ooooooo oooooooo ooooooooooo oo oo oooooooooo oooooooooooooo ooooooooooo oooooo oooooo oooooooooooooo oooooooooooooo ooooooooooo ooooooooooo ooooooooooooo ooooooooooo ooooooooooo o oooo o e oooo ooooooooooooo oooooo oooooooo ooooo oooooooooo ooooooooo oooooooo oooooooooooo oooooo oooooo oooooooooo e oo oooooooooooooo ooo D,M,E w,g,i,e D->i|wDw|w|Ew|w|i,M->Mg|w|g|g,E->w|i|i|Dw|w M 51 wwigig iiwgggwiiiggw wiwww iggwig g ggi iggw iigi gii gwiiwggggg e wigwgiig e wwwiwgw iigw iggwwwigw wgwggiiigiwwg gwi gggwiwggwigiiw gg wiiiwwig gwiwg giwggiw gwwggiiiwgg ggii giwigg gwwgwwiwgg wwwiwiwigiggg w iiiwiwgiw iiw wiiigwwi wgwgww e wiwiigiigwggw i wggwgiiw iwiigwgwiggwg giiiwwgiig iiiggwiwwggwi iiiwggiiwgi giiwgi wggwigggiii iiw gww igwwgwwwwi igiggiiwwwiw gigwiigwiiigw gggwi iiiiwgigiwgwwi ww U,O,R,I h,y,e U->y|Iyy|h|h,O->e|yOy|Ih|y,R->Iy|h,I->Ohh|h|h O 54 hhhyhhyyh yhhyh hyhhhyhyyyyh hyhhyyhhyyhyy h hhh yhhyyyyyhhhy yyyhhh hyhhhyhhh hyhyyhhyyy hyyyhyyhyyyyy hyyhyhyhyhyy yhyhyyhyyhyhhy hhyhyyy hyhhhhyhh hyyyhhy e yhhhyyyhhhhyyh yh hyhyyyhhy hhh yy yyhhy y yyhhhhyhyhh yyhhhh hyy hyhhyhhhyyy hyhhyyh e yyhhhyyh hhyyyyhhyhhyh yhh yhyyhh hhhhyhyhyhy e hyyhhhhhhyhhy hyhyyyyyhh hhyhyyyyhhhyy y e yyhhyyyy yyhyyhhyhhy yhhyyyyyyhyh yyh e yyhhhhyyyhyhyy e hh yyhhh hhhyyhhyhyh hyhh hyhhhhhhhhhy yhyhyh J,G,C u,h,a,t,e J->u|a|u|a|u|e,G->Ca|tCa|Ga|t|Ghh|e,C->h|t J 50 aaha at thhauauuhu uuatttttt auhuuttaauuat atuahuat t aha u auh ahuauahth auuhhaahhha aa huutu aahuuta ut thatuhhaaahtu uhhhthah utuahhah uahtuttahuatuh uhuthaauhuut aahttahhtahauu uhahaahtuuahaa ahhttutuhthu htuthtttuuu uau huaaatu uhutatuaathuua huaauthht a aaah uauaau aatauuaat tht aahhaaahauahau tuuutathttth auhh htttthhaa aaahhuuutu e htt auuhaatattuh e uauutta hautaautu autauahatuaht hthhhu htththuuhta u uhhuuhttuuta W,F,Q,U z,g,e W->z|e|g,F->Fz|e|zUg|Fg|g|z,Q->z|Wz|Fz|zUg|e|Wz|Wz|g,U->g|g|g|zWgg|Fz|g|g|g W 44 e zzgzggzggzggz gggzzggzg z zgzz gzgg gzgzzgzzzg ggzzggzgzgzzg zzggzzzzgg zgz e zgggzzzzzzgg ggzgzzzzgz gggggzzzgggz e gg zzzgggz zzgzzzg zgggzzzgz zgzz gz zzzgzgggzzz zgzzzz zgg zzzgzgz ggggzgz gzgzggzzzzz gzzzz z zgzzzzgggg ggggggzzzggzzg g z zgzgggzzzzzg z z g e zgggg zzzgggzggzzzzz gzgzzzggggzgzz zzzzzgz zggzgzzzggggg zzgzzzzzzz X,V w,f,e X->fXw|Vf|w,V->Xf|f V 28 wwwfwwwwwwff fwwfwwffwwf e wffwwffwww wfffwww fffwfwffw wffww fwffffwfffwfw e wwwwfff wwwffwf ffffwwfw wfffwfffwf ffwffwww wwwwwwffwwfwwf wffwfwwfwwfwww fff ww fffwffffw wfffffffwwfwf w wffff wfwffff w fwwwf wwwwwwww fww e S y,d,v,n,e S->y|Sd|e S 14 nnnddn vnvdnddndnnv ndvnvdvn vnny nvnyvydnd nvnyyd yvydndyvd dydvynnvnn vvdyddydn vndynyddyn vyydnyvvyd vnyvyvdyvvd nnynnv nyvnvvn J j,z,e J->j|z|Jj|e|e J 27 jzzzjzzjjzzz j jjjzzjz jjjjjjzzjzz jzzjjzjjjzz zzzzjjzjzjjzj zjzjzjjzzzzjz zjjzjzjzzzjjz zjjjzzzzzjz jjzzjjjzzz e zjzzjjjzjzj zjzjjjjzjjz zjzjjz jzjzj jzzjjzz j jzjjj jzj zjjjzzj jzjzjzzjjzjjj zjzzj zzjjzzz jjzzjzjzjjzjz zzz zjz zzzzjjjzz V,T,J,U,Z m,j,e V->Umj|m|Vj|Tj|e|m,T->Vmj|e,J->e|m|e|m|Tj|Vjm|m,U->m|e|Zm|m|Vm|j|jUj|m,Z->j|Vj|m T 34 mjjmjjmjmmmjm jm jjjmjjjmmmmjmm mjjmjmjmmmmmjj jjmmmjmjj jmjmjmmjm mjmjmmjjj mmmmjj jjmmmjmmmj jj mmmmj e mmmjmm mmjjmjmjmjjmjm jjjmmjjjjmmjm jmmj mm mjjmmjjmjj mjmjj jmjj e mjjmmmmmmj jm jmmjmmjjm jjm jjjmj jjm jjjmmjjmj jmjmjmmm m jmmjmmjjjm mjmjmmm mmjjmjm mjjjmm C,H r,o,k,e C->Ho|Hr|r|r|r|oHok|r|r,H->Cr|r|e|r H 31 rorrkokoko kkoookkr orooror rkrrrrkrokk rookoroorkorro korokk roorkkkr rook okr ooorkorkokkoko orkokk kr okkko rorkokrorokok oorrrokorokok rokroror okkorkoooroko krkrrrkrkk rrkororrkr o kkoooookokkook ooorrokrrrkkro orrrk ooooo k kkroo kkrkrookroork or rrorrrrkokrkrk k kokrrkoorkkrr R,I m,j,w,e R->Rw|Rm|m|j|e,I->m|w|Im|Rw|Rww|e|Rw|j R 52 jmmwmjmw jmwjmwmmmjjww jjjmjjmmmmmmj jjjj wwjjmwmjwmmj wwmwwjjwjjj mwmmmjwjw mmwmmmmwmmjwj mj wwjjjm m mwjjjjw wwmmjwj mmmjww mmmww wwwmwwjww mwjjjmmwwmwjwm w mjmjwjmwmwj wjmjm m e wmjwjjjw mjjjjm wwmmjw jwwmwjwmmmjm mwjwmmj mmwjwwjjjmjjjm jwjwwjmwj mmwmjwjjmjm e ww w wmjj wjmjw e wwmjwjmjjmmmmm m jjjmjjwmjmmmwj wwj mj jwjmwmjjmmmww w wmjwmj mjmmjwww wj jmjw mmjmjwwwjmwww mwjmjjjmmwjj wmmmwm wmmmmw m Z,I,P,H t,i,o,w,e Z->tHio|Ht|w|Zt|w,I->w|Poi|e,P->o|wPw|i|e,H->i|It|iIo|wIo|t|Ho|Po|i Z 12 tiiwi iiwt tiiioiioii iowitwo wooiiwwioiow iwiiwiwitwtw oi titwwiotititi ttotiiiiiwoww i oooottioo ttt J p,e J->p|p|p|Jp|p|p J 39 pppppp ppp pppppppppppp pppppppppp ppppppp e pp ppppppp ppppppp e pppppppppp pppppppp e p pppppppppppp pppppppppp p p pppppppppp ppppppp ppp e pppppppppppppp ppppppppppppp pppppppppppppp pppppppppppp pp e ppppppppppp e ppppppppppppp e ppppppp ppppppppp pppp e pppppppppp ppppp pppp E,M,S,D,N u,r,y,e E->Mu|y|u|Sr|r,M->u|r|e,S->e|y|u|uSu|e|y,D->y|y|e|rEyr|u|e|y,N->uSy|y|Muy|y|r|u|e S 9 u yr uyurru rruyurrurru uurryruurrur uryyyryu ruryrryu yuuuu uuuuurrruryr P,R,J d,b,s,q,e P->d|e|b|e,R->sJbd|Jqs|d,J->q|s|Pd|sRs|e J 45 e dsqddsbsbbbq bddsd qsbddq bdsbsb dbqbdbdqqbq bbsssd qdqsddq dqqdbsb q qdsqbsqbsbq e bsbsqdssqqbqb bqbdbqssqddqq qqdbqdbs b e sbsddds dsdbd sb dddbd qqqbdqsbs qbbsqqqss qbsd bbdssqq qbq dqbbsdbdb ssdsdbbdbbdqq bsdqsdbsqsqqd sssds dbs dq bdbbbs d ddqdd bbbs bsddbqqb bssqq qqsqddqbbd sq dbq qddb e bq sddqdqbq G,L,V y,h,v,n,e G->y|Vh|Vy|e,L->vLny|Vv|y|v|y|y|Lyh|e,V->Gn|v L 32 hh nnvyhvnhvn yvnynhnvhnhhnv nynhvyy e vhyh nvyyn y yyy nnvyvhy h nnnnvnyn hhyvnn vnhv hyynyhvyvvnyh yyhyyvnynyh yyyhnvnv vvhnhyy vhhnnyyn vnvyyyvny h nnhhyy nyhvnnhnvhvy vv ynyhvnhvhhhhyn e yhnvhnh nnv vhnnhvnynvvyhn hnnnyv nvvvnnnn hvnvyyvyyvvnny V,L p,n,l,y,e V->Lpy|l|Vpp|e|Vnn|Vn|Ly|e,L->Ll|Vlp|p L 9 nnyyln lypyynllyny lynllnnnyln pnn ynpnyynl e npypyy e plp S,V d,x,v,h,e S->Vvh|d|x|Vxd|Vx|Vh|e,V->d|vVx|x|x|d|d|h S 49 xxvdvhxvvhvx xhh xdvvhdxdddvhhd hxvxdhv vddhvhhdxvvdhv hvhhdvvd hxvv e xvxh ddvdxhv hhvv xdhhvvvhxv vddxdvvvxvd h dhdh vhddhhxdh vhddxddhvh h dxxdhhhh dhxdxd vv xvvvddhdvvx dxddxdvxxhvv vd xdvxxhdxdhx hxvxhxvvxv vdvvv xhhd dh xxvvvd xdxd vdhvdvhdxx xxhhhvvxvxdh e hvhhx ddhdvhdvvvxhx e dvdvvdvddhx h vxvvxdxvhddd dddhhxv vhvhxxxvxdxvhh ddvvvddxvvx hvxxhvxxvvhxd xhvdhxxhvxhxvx hxhhv xh dvdhxvhhdv dhddxxxhhdh V k,e V->Vk|Vk|k V 50 kkkkkkkkkk e kkkkkk kkk kkkkk e kk kkkkkk kkkkkk kkkkkkkkkkkkkk kkkkkkkk kk kkkkkkkkkkkk kkkkkkk kkkkk kkkkkk kkkkk kkkk kkkkk kkkkkkkkkk kkkkkkkkkkkkk kkkkkkkkkkk kkkkkkkk kkkkkk k e kkkkkkkkkk kkkkkkkk kkkkkkk kkkkkkkkkkkkkk kkkkkkkkkkkkk kkkk kkkkkkk kkkkkkkkkkkkk kkkkkkkk k kkkkkkkkkk kkkkkk kkkkk kkkkkkkkkkk kkkkkkkkkkkkkk k kk e kkkkkkkk kkkkk kkkk kkkkkkkkkkk kkkkk kkk Q,P,S h,q,e Q->Phq|h|h|e|e,P->e|Ph|Shh|Sh|h|q,S->Sh|hPh|Ph|h|h Q 52 hhqhqhhqhhq h hhhhqhqhqhqhhh hhhhhhqqhhhq hhhhqqqhhhhhhq hhhqhhqhh hhh hhhhq qhhhhhh q qqhhqhqhhqhqhq hqhq hhhqhhhh qhhhqhqqhhqqhh hqhhhhhhqh hhh qqhhhq hh hqqhqhh hhqqqhhhqqqq hqh qhhqhhhhhhqhq qhhqhhhhqhhhhh qhhqhqhhqhhh hhqhhhhqhhhqq qhqqqhqh hh hh hqhhqqhhhhqhq qhq hqhhhh hhqhqhhh hqhhhhqqhhhh hqqhhhhhhhqhhq hhqhhqqhhq hqhhqhhqqhqqq h hhhhhhqhhqqhhh hhqhhh qhhqh hqhhqqhh hhhhqqqh hhqqhhhhh qhhqqhqqhqqq qqqqhqhqhhhqq hhhhhqqhqh qhqqqhqqhhq hqqhhqhhh hhq qh hh hqhhhhhq T,K,I,G,Q d,f,u,e T->Gfd|d|e|Qud|dGdd|f,K->f|f|Gu|Ku|f,I->Tf|Gf|Tf|d|u|Kf|d|f,G->d|Td|Tu|dId|d|e|fQf|d,Q->e|e I 44 ddfdfdddfdduud dufd dfddu duud uddduduuddd udfudfud fufdd dddudfddduuddu duddd ddfdfffdffu ddddudddfffuuf dfdduuudd du e f dddddddddudu ddddfuuud udufddd ddduuddddfdf dddffuddufdd e dfufdddfddddf uf ddduu dud fdufd ffdduduuf dufudfdddffuff ddudffdudd df uddffddddu dd udddffdfdufd e dufuddddddufdd fuufdffddddu ffuufd d ufd fu ddddudufdu ddd dddddd fffddddd B d,z,c,v,e B->e|Bc|v|dBd|d B 34 cccdzvzzzcvzc zcvvdzdvz dddvvdddvvc zvcvcvzzdzz zccc dczddvczvc vzvccvzcz ddzdczv e cv dcddv zccdzcdcccv cddzcz ccvzvzzv czzzdzvzc zzzd ccvczzcvzvdvzz vvc e zzdvzc zdcczcdc czvddcd zcdcdd dz ccccdczzdzz vvzzdzvc e zcdzcvzccczv cdccdddcv zdd dzdv vczcczdcczvddv cdzczczc ddcvcvvvzcc N,U,A,V,D w,e N->wDww|w|Uw|Vw|Aw|wDw|w|w,U->e|Aw|Uw|w|w|w,A->w|w|e,V->e|e,D->Dw|Uw|w|wDw|Aw|w U 18 wwwwwwwwwww wwwwwwwww wwwwwwww wwwww wwwwwwwww wwwwwwwwwwwww wwwwwwwww e wwwwwwwwwwwwww wwwwwwwwwwwwww wwwwwwwwwww wwwwwwwww wwwww wwwwwwwwwww wwwwwww www wwwwwwwwwww wwwwwwwwwwwww Q,H,C t,l,w,e Q->Ql|t|Htl|w,H->tQw|e|wQlt|l|w,C->Qt|t|wHlw|Hw|t|e|t|t H 33 llwl ttwwww wlllwlwtll wllwl ltlltttltl wwlww ltt ltltwtltt ltwwltwlttllw ltwlwwwlwllww tw wtllllltlwtww ltwwttlwwl e wl ltttwlwwwl twttltlwlllt ttttllwl wwtlltlllwlw w wtllllltttttt lwwwl wlltlwwwwtlw l ttlwwwt ltwwwttwlltwl wwtwtltwt wtwtwtwtwwtw e tltwtw tttwwlw lwlllwwtlltww ttt M,V,R a,p,e M->a|pMp|p,V->aMp|a|Maa|p|e|p,R->Mpp|Rpp|Vp|p|e|Maa|a V 5 aaa apappaapa paa apppaappapa aaaaaaaapp A,C p,j,e A->pAp|e|j,C->Cp|j|Cp|p|Cp|j|j|j A 31 pj p jjppjjpjp p pjj jjpppj jjjpjjjpjp jj jppjpj jjjpjjjjjppjpp jpppjjppppjp ppjjppjpjppjpj ppppppjj pjpjjjj jpjppp e pjjjjpjppjj pjjppjjjpppjjj ppjjjjjppp jppppjpjjp jjpjjjpjp pjjjjj pjjjjppjjjp pjjppjjjjjp jjpj jjjppjjjpjj ppj ppjjjp jjjj pppjpjpjpjp jpp E,G,Q,K,J m,s,a,e E->s|s|s|s|m,G->mGma|e|s,Q->m|e,K->s|aGs|Qs|Ea|Jm|m,J->Jm|a|aEm|m|s|aEsa|s|s J 33 aaa ammamsasmaamsm mammmaammm amasa aasmssssssmmss e mammmmasmmsam smsmsaaas saamsmsammss saamms ms mss asammssmasaa mamammmm ssamsmasammmam sasmsmmmaammm ammsamsssmmma ammmmaasa mms ssmaassaamaams smssasmam s mm a asaamaaamsm aa mmamaamma assmaams aaamsasaams mmasmaasaasas mammsamsssmm massmmssa asms Z,N d,x,z,e Z->zNx|Nx|e,N->z|Zz|d|Zxx|d|Zz|d Z 30 dddzdzzdddz xddzxdxx xzxxxzzxx zdddzzd zddddddzzdxd ddzzdzxxdxdz xdddxxdzd zxdzxdzz dxdxdxzddxzdz e xxzdzddzd e xxdxzzxxxddxx xzxddddx e xz zz zxz dxddzddxxdxxx zxzxxx xxdz zdzxxzdx xzzzx zz zddzzxdxdx xxzx dxzzzzxdzxx xdzzdxxdddxzx xzddxdzxzd dxzx K,S,Y,W d,a,k,p,e K->e|Ya|aWp|p|k|p,S->e|e,Y->Ka|a|Wa|e,W->e|a|aKp|Sk|a|Sd|e Y 44 appdaakpdpdaa pkdpkpk aakpdpk dakakdpdkkapkd aappkkaakaa kkddpp kkdapddakpkk kakpd addadaakdkpdkp pkapppk adpddppakkd kdadak apadpdkkadada adpapddaakddkp app kka ppppd dkdpappkkaapa kkpkakd ak pkpkp apdkaapaapapd kkkdkpapkp pakddkadp kaapkkpdppkakd akppdda ddapa kkdkpaa ddpkaadkdd appd pdapk apdpakkpkkkdp appdddd ddkpaappppakk pkpkkpa ppkddapakk aadak ddkpakpdkk dkdkakddpkkpk kp pkkkppkkkadkp kp kaadkpp kpkkkkaapd N,X i,h,e N->iXh|hXi|iNi|e|Xh|i,X->h|i|i|h|Nhh|i X 23 ihih ihiihihhh iih hhiiiiihihihhh hiihhhiiii hihihiiih hiihhi hhi hihihiih hi hiii iiiiihhh hiiihhihi i hiiihihhhiiiih hihihi hhi hhiii hihhhiihhii hhihiihhhhihi iihhiiihhih iihihhhhh hhhh M l,t,d,e M->d|l|t M 50 tltdtttlldd ldtltdldldddll tlltl ltl ddtdddttttddtl d lt td tdltttldldt dttt ltttldtldltll dttddltld tldltdtddtd ttdlt e ld ldlldddttd dddldltdtd ddldlll tttlllltdldl tdtld tttt lddllllld llltllld llddd ddltdltdl ldltddldlt lll dttddltld tlltt dldllldttlldd llltt lldtldlttt dllltt ttt tldtdllltltt lldttdll ldddttll l dtttlllll tttltltdtlt ld ldlll ldtdtldtldltt tddltdltlltt lllld lltd llltltldldlt ltddd e K,Q z,e K->z|Qzz|z,Q->e|z|z Q 32 e z zzzzzzz zzzzz zzzzzzzzzzzzz zzzzzzzzzzzzzz zzzzzzzzzzz zzzzz zzzzzzzzzzzzz zzzzzzz zzzzzzz zzzzzzzz z zzz e zz zz zzzzzzzzzz zzzzzzzzzzz zzzzzzz zz zzzzzzzzz zzzzzzzzzzzz zzzzzzzz zzzzzzzz zzzzzzzzzzzzzz e z zzzzzz zz zzzzzz zzzzz C k,v,e C->kCk|k|k|Cv|k C 11 vvkkvvkkkkkkk kkvkkkvvkkvvk kkkkvkvkvkvkv vkkkvv kkkkkv kkk kkkkkkkvkkkv vvkkkkvk kvkkkv vvkvkvk kkkvkvkk O,X,E,D,J o,s,a,e O->Jss|o,X->s|Daa|aJo|s|Ja|Da|a|o,E->sDa|Xa|aJs|e,D->Jo|Oo|a|Oas|Os|o|o|s,J->Es|a|a|a|e|Es|s|s O 50 saaoooass o oassoso oaaaoss s ooa aoaaassaoa as asosaso saasooaoaa e s assasaoa ssaaoa sososssa oasaa soosassaoa asooooa oos sosooasasa sasaassoo asaosoaoaso ssso asoooa aososaoas soosss sa sosaaaaas assasosoa e sa assaasosoooos ooaaa o oosasossas aosoosass asooaosaaaasa e aoosoasoossa asso aoo ssa osssaasasa ssoossoaasa asoassaooaoa sssao saaasssas soaoosoasaoss saassoasoaoas ssassasasaas O,F b,k,p,t,e O->p|Fkk|k|Fk|bOb|b|t|t,F->e|pFt|e|e F 7 tttktkpkt pbtpb kktbtptbt bkpkbpbkbp tbbk pbtpbtttpptkt e R,X,A,Z,M y,e R->Ayy|Xy|y|y|y|y,X->yAy|y,A->y|My|y,Z->My|y,M->y|Ry|y|yXyy|e|y|y R 7 yy yyyyy y yyyyyyy yyyyyyy yyyyyyyyy yy T,K,L f,c,e T->Lc|Kf|Lf|f|Lf|f|e,K->Tff|Tc|e,L->Lc|fLfc|c L 44 fcc c ffcfff fcffcfccf cf ccccc fcccfc f fcfccccffffccf cffcfffcff cccfcc ccc fccf cfcff fccfcfcf fcffccfcccfc ffcffccccff ffcc ff ccfffcc fccccccffccc ffcfcff cffffcfccffc ccfffc fcc fccffccccccccf fffc ffcffc c f ffffccfffcfc fcffffffffccc fcccccccccc ccfcccccc f ffffffffffff c ccfffffcfc fcfc cccccfccffc cffcfcfccfccf ccccfffcfc fcfc fffffcffcfcccf Q w,p,i,e Q->i|wQpw|p|Qwp|Qwi|i Q 36 pippp pww iwpwwpppwiwiw ww ippwpipwiipww wwpwp iwpwwiwpwpiiwp wpiwpiiwp ipwpwiiw iiiwiwpwiiiwww ppipw wwppiwwpwppipw wiiiwiw i ppiw iwiwwpwppipww iw www iiwiipiii wippwiwi iwiwwipwp iwpppiwiwpwp pppiwi pwipiipw wppippipiiwiwi pwwwppwiiwiwp w wiiipwpwi pipipp pwpw pippiwpppwwwpi ipiiwiwwpi w wwpww ippipwppwwwip e O o,p,g,d,e O->Od|d|Oo|g O 38 odpooodppddp gogpopg gdgoodgg gggp o dopdgopggdgppp e dpgpgoo oppopdpppdd ggdogdgp op ggpgpgggp gpogdgpog gogpopd ppgpdpppoggg odpdo ggpgpop opd ogd g e oopggggdo popdogod ggdodgpogpg doddggggd dooog dpdpdggodoopg podgdodddpg ogdgoppoood ogodpoo poopgggoodogd e ppgd ppd opdgopog ogdoood pp gdpdddgodppdod U,E,N,V c,y,e U->e|e|y|c|y|y,E->y|yVcy|cVy|Ny|y,N->cEc|y|y|c|cEy|c|c|c,V->Ncy|Vc|y|Uy|y N 28 ccc cyyyyyccccccyc cccyycyy ccy cyycyycc ycyyyy yy cyyccycyyyyc yccy ccyyccccyy yyc cyycycccyyyy cccccyyc yyccycycyycyy ycycyc yycccccycccycc ycyc yycccccyy yycyyyyccyycy ccyycccyycyycc yycy ycycycycccy cyyyyc y yycccy cyccyy ycccc cc V y,z,b,g,e V->z|g|b|yVy|e|g|e|z V 31 ygbzgyzbbz zzgzzgybgbyzgz zbgyyygzgbzbb ybgbg bgygzgbgyyyzzy gyzg zbbzbgb ggzbgygyyby ybgggyb gzzyyyzbbgy ygzgzz zgbybybgzggyzg zbbzzyyzbzzg e bbyyzbyzybygb yyygbbzzbbyby byyybg zz bgbzbygybybb ybz zb ygygbzgzy ygg gzbgy gzggzybgzg bzgyyyzbbbzybz zgbgz bgbb ygbzyzyyggy bgbzgybg yy J,Q,Y,N c,j,q,s,e J->s|e|q,Q->Yqs|s|s|Yjc|Yq|c|q,Y->q|Qs|Qq|c,N->Qcs|Nc|Nsq|Jcs|s|s Y 49 cqc e jjsjcjj jcjjs q qscscsqjcscss sc qsscc jqcsqjqsc s jjccc jcjjj cjjjqjcs qqqcjc scjccqc e qss qcjssqscj cscj e cqscqqjscjqcj e jqq cjjscjqsjjs jscjccqs sq cscq jssqcjc csqsc e csj s qsqqc qcjssjscjsj sjsjqjqjqcjjs qcsqcjjsqjcqcs jsjqcjcjsccqs jsjqsjqsjssjcj qjjqjcccjqqqqq sccsq q jq cscqccqsqsqs qqqc cccsj qsqcscsj e e jccjscjjsccc I,B,E t,e I->It|tEt|Bt|tIt|t|t,B->e|Bt|t|t,E->t|t|Bt|Bt|Et|t|t E 41 tttttttttttttt tttttttt tttt tttttt t tttttttttttttt ttttttttt ttttttttttttt ttttttttttt tt tttttttttt tttttttt tttttttttt tttttttttttt tttt t ttttttttt tttttttt tttttttttt tttttt ttttttt tttt ttt ttttt tt ttttttttttt tttt tttttt e tttttttttt ttttttt tt ttttttttt tttttttttttttt tttttttt tttttttttt ttttttt ttttttttt ttttttttttttt ttt tt V,Q c,s,i,e V->i|Qic|s|c|s,Q->c|e|Vc|Qi|s V 6 cisssc ss s sscisciss csiiisc iscssssiccsiss B g,e B->g|Bg|g|g|g|g B 49 ggggggggggggg ggggggggggg e g ggg gggg ggg ggg ggggggggggg ggg gggg ggggggggggg gg ggg ggggggggg gggggggggggg gggggggggg gggggg gggggggggggg ggggggggg gggg gggggggggg gggggggg gggggggggg ggggggggg ggg ggggggggg gggggggggg g gggggggggg ggggg ggggggg gggggggggggg ggggg g ggggggg ggggggggg gggg ggggggggg ggggg gggggggggggggg ggggggggggggg gggggggggggg e ggggggggg gggggggg ggggggggggggg gggggggg e D,S,N,C n,e D->e|n|Cn|e|n|n,S->nCn|n,N->Cn|n|n|e,C->nSn|nNnn|e|n|n|n N 54 nnnnnnnnn e nnnnnnnnnnnnn nnnnnnnnn n nnnnnnnn nnnnnnnnnn nnnn nnnnnnnnn nnnnnnnnnnnnn nnnnnnnnnnn e nnnnnnnnnnnn e nnnnnn nnnnnnnn nnnnnnnnnnnnn nnnnnnnnnn nnnnnnnnnnnn nnn nnnnnnnnnnn nn nnnnnn nnnnnnnnnn nnnnnn nnnnnnnn n nnnnnn nnnnnnn nnnnnnn nnn nnnnnnnnn nnnnnnnn nnnnnnnnnnn nnnnnnnnn nnnnnnnn nnnnnnnnnnnn nnnnnn e nnnnnnnn nnnnnn nnnnnnnnnnnn nnnnnn nnnnnnn nnnnnn nnnnnn nnnnnnnnnnn nnnnnnnnnnnnn nnnnnnn nnnnnnn nnnnnnnnnnnnnn nnn nnnn nnnnnnnnn V,P,S y,e V->Vy|y|y|yVyy|y|y,P->y|e|y|y|y|y,S->y|y|e|Py|y V 5 yyyyy yyyyyyyyyy yyyy yyyyyyyyyyyyyy yy C,Z,D k,i,l,e C->k|Ck|Cll|l|e|i,Z->k|Dkk|i|l,D->Ci|e|k|kCll|i|Cik|i|k D 25 lil ilklkk kkkiililklkki kilkliiiikil klikklkklkilkl kkk lk iilk klkilkiiklii iiillkiikkk lliikikkk iiiik klkkl klklk kki ikkkll kkkilikikkikli lllkik killklk kiliik kiiilli liklkkii i ii kikikliiiikil A,K,I o,g,k,e A->Kg|Ko|k|k|Io|g|o,K->g|Kg|Agg|g,I->Ao|g|e K 23 kkkokgoggoo okogko kogooooo kgggkgkgggk kkkgoookog okkoggog okkogookko goggkkokog gkog kgkgkokgokg kgoko okgkkkokgkkkkg g kg gkoookoook gkkkgk kokgkkkgk ggkokkokkookg oookggo kggokg gk oggkokookkkk kg H,N,G t,e H->Ht|Htt|e|t|tHt|Htt|t|t,N->Nt|t|Ht|t,G->Ht|e|t|e|Ntt|t|tNt|t H 6 ttttttttt ttttttt tttttttt ttttttt t tttttttttttttt Q,F v,e Q->v|Fv|v,F->v|Qv|Fv|Fv|vFv|v Q 18 vvvvvvvvvvv vvvvvvvvvv vvvvvvvvvv vvvvv vv vvv vvvv vvvvvvvvvvvv vvvvvvvvvvv vvv vvvvvvv vvvvvvvv vvvvvvvvvv vvvvvvvvv vvvvv vvvvvvvvvvvvv vvv vvv B,U,V,S,P n,l,u,e B->u|lVn|uUn|l,U->Pn|e|e|Pnl|u|n|e|e,V->n|Uu|Pn|Ul|n|Vuu|n,S->n|n|lPnn|u|e,P->l|Sl|Bl|Vnl|n U 15 nunuuullulnll lllu nnllnn lnlnnnlululu ulu unllluun unlluuunl nuununlnnnullu unuuunun nnlluuuullnlll lnulululnu ulunulunlnn llnu nnnlluunun nullnnnuuunnl G,O b,z,l,e G->Gz|Gb|Oz|zOb|e|Ob|b,O->l|b|z|Ol|Gbz|z|l O 12 zlb zblbllbzl zb bllzllzbz z e llbzzl lzzbbzz zbllblllbzlzl llbzl lbzlzlzzzlblll lzllzlzlzlbzll K,H,C,R,A n,g,j,e K->Aj|gCg|e,H->n|Hnj|Agn|n|j|n,C->n|e,R->j|n|e,A->g|Cn|jRnn|g K 25 jngjngjjggjj nj nnggn jgjn gjnnngn jjgn gjgnnnnnggnj e ggjgjgjnnjgnnj gg gnjjggjngjgjn e gnngjjjgggnjg j jg nngjnnggj ggnngngggnjgn ngnjng nnjjnjj gggnjjgng gjjjnjg e jgnjj ggjgngngngjj jggggjjgj K,Y,U,C h,n,e K->hKn|Unn|Chh|hYh|e,Y->h|e|h|e|n|Uh|Cn|n,U->n|e|h|h|e,C->n|h|e|e|n|n K 16 hnhhh hhhhh hhhh nnhhnhnhhhhhh hhnnn nhnhnnhnhh e n hnnnnnnhhnnhhh nhhhhnnn hnhnhhhhn nhnhhhhnhhhh nhhhhhnhhhnhn nhhhhnhnhhnhhh nhhnnnhnhhh h M,F,K,X,P r,s,y,p,e M->Ps|p,F->p|Krs|y|e,K->Ps|sPp|rFy|r,X->Ks|Fy|e|Kp|Fyr|Mp|r,P->e|pKs|s P 20 syryrrp py srr pspypy spryyrsys prpyrr rrrpsssssrp pysyyrpsysrrp ys pryrsysy ppssryppy syyrsppsyprps ryprpsyrys r rppyryryppspsp spsrrpspyspps rpysrrprppsrr rppssyrsr ryprrrsssp prpyyyyypr G o,c,x,w,e G->Gc|w|x G 11 cccx xcxxwcxxc e wwcxoxoxcwxox woowwxcoowo cwwxcowxcoxoc xx wwxwcxwocoxww woc ccxcccwcowcxw xwccwcxcoxwxx V a,e V->Va|a V 50 aaaa a aaaaaaa aaaaaaaaaaaaa aaaaaaaaaaa aaaaaaaaa aaaaaaaaa aaaaaaaaaaaaa aaa aaaaaaa aa aa e aaaaa aa aaa aaaa aaaaaa aaaaaaaaa aaaaaaaaaaaa aaaaa aaaaaaaaaaaaa aaaaaaaaa aaaaaaaaaaa aa a aaaaaaaa a aaaaa a aaaaaaaaaaaa aaaaaaaaaaaaa aaaaaaa aaaaaa aaaaaa aaaa a aaaaaaa e aaaaa aaaaaaaaaaaaaa aaaaa aaaaaaaaaaaaaa aaaaaaaaaaaa aaaaaa aaaaaaa aa aaaaaaaaa aaaaaaaaaa aaaaaaaaaaaaaa F,Q,I,W,U b,m,d,a,e F->m|dWbm|b,Q->Fd|dId|b|e|e,I->d|aWa|e|bUmd|a|e,W->b|Ib|m|a|Wd|Qdm|m,U->Uad|b F 47 amm mba mmmaabaabma mmmmdd bdabmababmmmm dddbmdmbmmd bddamamaad mbmmammdbm mammbbmmbm e mda abaaddm bdabbbdaam b aaabdbambd ammmdbamdamd ddaddabbmmbm e e mabmadmbbda e bdmamaamab abdb ba dmmamdmaaa dbbmaabaambmbb bbdmdbdbdddm bmmmdb abamddm dbamdbmmbbam baa dbambbmbdb amamdmm m babaddaa abbba e e d aabmdm aadddddb bmaamd aadbbba mdddbmammbab bbmdaab adbbdbdmam amamdbaa C,Q,G,E w,e C->w|Qww|w|w,Q->e|Ew|e,G->w|e|w,E->Ew|w C 11 wwwwww www wwww wwwwwwwww wwwwwww ww wwwwwwwwwww wwww ww ww wwwwwwwwwwwww V,F,P f,k,o,e V->Vk|Vff|e|Pf|fPo|e|Fo|o,F->o|o,P->f|oVk|e|k|Ff|e|k F 41 oofkkofff ffooffofkffook fkoffokofffkf kffokkkk offfff kffffffkffo fkfffoo fkkfoffffkkff ffoffff ffffffo fofkookfofkfof fookkffoo ofkkk fkkofkkf okffffkko koooffffoo kkfffffof k offfofffk kfffofk ofkofko ofofoookfffko fkffkkfo fffkkfkfoofoo kokoffffffkff okof f o e k ff ok fooofk ffofkfkff ffkkkoffokook fkffkfkf kofofoffk ookffkfook kkfffoffok fo okofofoofkfffo L,W,U,A r,x,k,e L->kUx|x|k|Lkr|k|Wx|k,W->Uxk|k|Ar|Ur|e|xLk|k,U->Wx|x|e,A->r|k|e|k|k W 21 xxrkkr rrxxrxr xrrxrkkrkkx rkrxrkxrrrrk xrxrkrrrx xrxrxkkrxkkrk e x e kx xk e r kr krrxrxkrxkx xkkrxx kkr r xkrxxrrx rkrk xrkxrxxxxxrxk R,U,Z,P,J a,e R->a|Ja|aZa|Uaa|a,U->Ra|a|a|a,Z->a|aRa|Ra|a,P->aPaa|Raa|Pa|Ra|Ja|e,J->Za|Raa|Ja|a|Pa|Ua|a|a U 23 a aaaa aaaaaaaaa aaaaaaaa aaaaaaaaaaaa aaaa e aaaaaaaaaaaaa e aaaaaaaaaaaaaa e aaaaaaaaa aaaa aaaaaaaaaaaaaa aaaaaaaaa aaa aaaaaaaaaaaaaa e aaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaa A,W,K,H,J k,v,e A->v|Wv|Hvk|Jk|k|k,W->Kv|k|k|v,K->Kk|Hk|v|k,H->Hkv|k|k|e|Hk|Wkv|v,J->Wv|e|k|vJk|v|v|Hvk|k A 51 vkkkvk kvvkvkvk vvvvk kvkkkvkvkkvvkk vvkkkkv kvvvvkvkvkvk kvkvv kkkv kkvvkkk vkkkvkvv vkv v vkkkvvvkkkvk kvvkkv kkvvkvvvkvkkk kkkv kvkvvkkvkkkvv vkkv vvkkvvkvvvkkkv kkk vk e e vk kvvkkvvkkkkv kkvkv vkkkkvkvvk kvvkvkkvvkkvk v k kkk vkkvkkk v kkv vvkvkvkkkkvkvv e kvkkvvv k kvkvkvkkvvvkv kvkkk kkkkkk vvvvkkkkvkvkk vkk vvvvkvkv kvkk e vvvkkvkkkvkvv kkvkkkv vk kkkkv vkkkkvk W,F,H,L,J v,c,b,e W->Hc|Wc|b|b|Jcv|cLb|cFb|v,F->e|Fcb|v,H->Jvc|Lc|e|b,L->Jc|Lc|b|c|vHc|b,J->Lv|b W 12 vvcvvbvcvb vvcbvcvbcvcbbv bcbbcbbc e ccvccbbbvv e c vvcbcv cbc bvbcvvcb c vccbvcvbvv