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(7,16).
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(24,25).
next(25,26).
next(26,27).
next(27,28).
next(28,29).
next(29,30).
next(30,31).
next(31,32).
next(32,33).
next(33,34).
next(34,35).
next(28,36).
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(37,45).
next(45,46).
next(46,47).
next(47,48).
next(48,49).
next(49,50).
next(50,51).
next(21,52).
next(52,53).
next(53,54).
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(58,66).
next(66,67).
next(67,68).
next(68,69).
next(69,70).
next(70,71).
next(71,72).
next(72,73).
next(73,74).
next(67,75).
next(75,76).
next(76,77).
next(77,78).
next(78,79).
next(79,80).
next(80,81).
doAt(startflow,5).
doAt(a21,7).
doAt(a16,9).
doAt(a25,10).
doAt(a10,11).
doAt(a19,12).
doAt(a1,13).
doAt(endflow,14).
doAt(a12,16).
doAt(a8,17).
doAt(a15,19).
doAt(a18,20).
doAt(a23,21).
doAt(a4,22).
doAt(a22,23).
doAt(a3,24).
doAt(a14,25).
doAt(a7,26).
doAt(a9,27).
doAt(a17,28).
doAt(a5,29).
doAt(a10,30).
doAt(a19,31).
doAt(a1,32).
doAt(endflow,34).
doAt(a24,36).
doAt(a2,37).
doAt(a6,38).
doAt(a10,39).
doAt(a19,40).
doAt(a1,41).
doAt(endflow,43).
doAt(a13,45).
doAt(a10,46).
doAt(a19,47).
doAt(a1,48).
doAt(endflow,50).
doAt(a11,52).
doAt(a22,53).
doAt(a3,54).
doAt(a14,55).
doAt(a7,56).
doAt(a9,57).
doAt(a17,58).
doAt(a5,59).
doAt(a10,60).
doAt(a19,61).
doAt(a1,62).
doAt(endflow,64).
doAt(a24,66).
doAt(a2,67).
doAt(a6,68).
doAt(a10,69).
doAt(a19,70).
doAt(a1,71).
doAt(endflow,73).
doAt(a13,75).
doAt(a10,76).
doAt(a19,77).
doAt(a1,78).
doAt(endflow,80).
compAt(a16,x8,6).
compAt(a16,x10,18).
compAt(a25,x22,33).
compAt(a25,x22,42).
compAt(a25,x22,49).
compAt(a25,x22,63).
compAt(a25,x22,72).
compAt(a25,x22,79).
subsAt(a16,8).
leftrightnexts(38,45).
leftrightnexts(29,36).
leftrightnexts(68,75).
leftrightnexts(59,66).
leftrightnexts(22,52).
leftrightnexts(8,16).