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(18,19).
next(19,20).
next(20,21).
next(21,22).
next(22,23).
next(23,24).
next(21,25).
next(25,26).
next(26,27).
next(27,28).
next(28,29).
next(29,30).
next(20,31).
next(31,32).
next(12,33).
next(33,34).
next(34,35).
next(35,36).
next(36,37).
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(42,46).
next(46,47).
next(47,48).
next(48,49).
next(49,50).
next(50,51).
next(41,52).
next(52,53).
next(10,54).
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(63,64).
next(64,65).
next(65,66).
next(66,67).
next(67,68).
next(68,69).
next(69,70).
next(65,71).
next(71,72).
next(72,73).
next(73,74).
next(74,75).
next(75,76).
next(76,77).
next(64,78).
next(78,79).
next(79,80).
next(80,81).
doAt(startflow,8).
doAt(a23,9).
doAt(a7,10).
doAt(a14,11).
doAt(a18,12).
doAt(a10,15).
doAt(a4,17).
doAt(a17,18).
doAt(a8,19).
doAt(a12,20).
doAt(a16,21).
doAt(a13,22).
doAt(endflow,23).
doAt(a19,25).
doAt(a21,26).
doAt(a2,27).
doAt(a6,28).
doAt(endflow,29).
doAt(endflow,31).
doAt(a24,34).
doAt(a20,35).
doAt(a15,36).
doAt(a4,38).
doAt(a17,39).
doAt(a8,40).
doAt(a12,41).
doAt(a16,42).
doAt(a13,43).
doAt(endflow,44).
doAt(a19,46).
doAt(a21,47).
doAt(a2,48).
doAt(a6,49).
doAt(endflow,50).
doAt(endflow,52).
doAt(a1,54).
doAt(a9,55).
doAt(a3,56).
doAt(a25,57).
doAt(a11,58).
doAt(a5,59).
doAt(a4,61).
doAt(a17,62).
doAt(a8,63).
doAt(a12,64).
doAt(a16,65).
doAt(a13,66).
doAt(endflow,69).
doAt(a19,71).
doAt(a21,72).
doAt(a2,73).
doAt(a6,74).
doAt(endflow,76).
doAt(endflow,80).
compAt(a10,x18,14).
compAt(a10,x18,33).
compAt(a14,x10,67).
compAt(a10,x18,68).
compAt(a10,x18,75).
compAt(a14,x10,78).
compAt(a10,x18,79).
subsAt(a10,13).
subsAt(a4,16).
subsAt(a4,37).
subsAt(a4,60).
leftrightnexts(22,25).
leftrightnexts(21,31).
leftrightnexts(43,46).
leftrightnexts(42,52).
leftrightnexts(13,33).
leftrightnexts(66,71).
leftrightnexts(65,78).
leftrightnexts(11,54).