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(13,17).
next(17,18).
next(18,19).
next(19,20).
next(17,21).
next(21,22).
next(22,23).
next(23,24).
next(24,25).
next(25,26).
next(26,27).
next(27,28).
next(25,29).
next(29,30).
next(30,31).
next(31,32).
next(32,33).
next(33,34).
next(12,35).
next(35,36).
next(8,37).
next(37,38).
next(38,39).
next(39,40).
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(45,52).
next(52,53).
next(53,54).
next(54,55).
next(55,56).
next(56,57).
next(57,58).
next(52,59).
next(59,60).
next(60,61).
next(61,62).
next(62,63).
next(63,64).
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(44,77).
next(77,78).
next(78,79).
next(79,80).
next(80,81).
doAt(startflow,7).
doAt(a21,8).
doAt(a24,9).
doAt(a14,10).
doAt(a7,11).
doAt(a5,12).
doAt(a16,13).
doAt(a3,14).
doAt(endflow,15).
doAt(a12,17).
doAt(a13,18).
doAt(endflow,19).
doAt(a8,21).
doAt(a11,22).
doAt(a6,23).
doAt(a19,24).
doAt(a4,25).
doAt(a2,26).
doAt(endflow,27).
doAt(a10,29).
doAt(a18,30).
doAt(a9,31).
doAt(a23,32).
doAt(endflow,33).
doAt(endflow,35).
doAt(a25,37).
doAt(a15,38).
doAt(a17,39).
doAt(a22,40).
doAt(a20,42).
doAt(a7,43).
doAt(a5,44).
doAt(a16,45).
doAt(a3,46).
doAt(endflow,50).
doAt(a12,52).
doAt(a13,53).
doAt(endflow,57).
doAt(a8,59).
doAt(a11,60).
doAt(a6,61).
doAt(a19,62).
doAt(a4,64).
doAt(a2,65).
doAt(endflow,68).
doAt(a10,70).
doAt(a18,71).
doAt(a9,72).
doAt(a23,73).
doAt(endflow,75).
doAt(endflow,80).
compAt(a14,x8,41).
compAt(a24,x4,47).
compAt(a24,x5,48).
compAt(a24,x10,49).
compAt(a24,x4,54).
compAt(a24,x5,55).
compAt(a24,x10,56).
compAt(a24,x10,63).
compAt(a24,x4,66).
compAt(a24,x5,67).
compAt(a24,x4,74).
compAt(a24,x4,77).
compAt(a24,x5,78).
compAt(a24,x10,79).
leftrightnexts(26,29).
leftrightnexts(18,21).
leftrightnexts(14,17).
leftrightnexts(13,35).
leftrightnexts(65,70).
leftrightnexts(53,59).
leftrightnexts(46,52).
leftrightnexts(45,77).
leftrightnexts(9,37).