next(1,2).
next(2,3).
next(3,4).
next(4,5).
next(5,6).
next(6,7).
next(7,8).
next(8,9).
next(9,10).
next(10,11).
next(11,12).
next(12,13).
next(13,14).
next(14,15).
next(15,16).
next(16,17).
next(17,18).
next(15,19).
next(19,20).
next(20,21).
next(21,22).
next(22,23).
next(23,24).
next(24,25).
next(25,26).
next(23,27).
next(27,28).
next(28,29).
next(29,30).
next(27,31).
next(31,32).
next(32,33).
next(33,34).
next(34,35).
next(31,36).
next(36,37).
next(37,38).
next(38,39).
next(9,40).
next(40,41).
next(41,42).
next(42,43).
next(43,44).
next(44,45).
next(45,46).
next(46,47).
next(47,48).
next(48,49).
next(49,50).
next(50,51).
next(51,52).
next(52,53).
next(48,54).
next(54,55).
next(55,56).
next(56,57).
next(57,58).
next(58,59).
next(59,60).
next(60,61).
next(61,62).
next(62,63).
next(58,64).
next(64,65).
next(65,66).
next(66,67).
next(67,68).
next(68,69).
next(64,70).
next(70,71).
next(71,72).
next(72,73).
next(73,74).
next(74,75).
next(75,76).
next(70,77).
next(77,78).
next(78,79).
next(79,80).
next(80,81).
next(81,82).
doAt(startflow,6).
doAt(a19,8).
doAt(a11,9).
doAt(a1,11).
doAt(a2,12).
doAt(a5,13).
doAt(a23,14).
doAt(a20,15).
doAt(a22,16).
doAt(endflow,17).
doAt(a7,19).
doAt(a24,20).
doAt(a25,21).
doAt(a15,22).
doAt(a14,23).
doAt(a4,24).
doAt(endflow,25).
doAt(a12,27).
doAt(a21,28).
doAt(endflow,29).
doAt(a18,31).
doAt(a13,32).
doAt(a9,33).
doAt(endflow,34).
doAt(a10,36).
doAt(a9,37).
doAt(endflow,38).
doAt(a17,40).
doAt(a16,41).
doAt(a3,43).
doAt(a6,44).
doAt(a2,45).
doAt(a5,46).
doAt(a23,47).
doAt(a20,48).
doAt(a22,49).
doAt(endflow,52).
doAt(a7,54).
doAt(a24,55).
doAt(a25,56).
doAt(a15,57).
doAt(a14,58).
doAt(a4,59).
doAt(endflow,62).
doAt(a12,64).
doAt(a21,65).
doAt(endflow,68).
doAt(a18,70).
doAt(a13,71).
doAt(a9,73).
doAt(endflow,75).
doAt(a10,77).
doAt(a9,79).
doAt(endflow,81).
compAt(a2,x3,10).
compAt(a1,x13,42).
compAt(a1,x7,50).
compAt(a1,x16,51).
compAt(a1,x7,60).
compAt(a1,x16,61).
compAt(a1,x7,66).
compAt(a1,x16,67).
compAt(a1,x16,72).
compAt(a1,x7,74).
compAt(a1,x16,78).
compAt(a1,x7,80).
subsAt(a19,7).
leftrightnexts(32,36).
leftrightnexts(28,31).
leftrightnexts(24,27).
leftrightnexts(16,19).
leftrightnexts(71,77).
leftrightnexts(65,70).
leftrightnexts(59,64).
leftrightnexts(49,54).
leftrightnexts(10,40).