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(7,18).
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(38,45).
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(53,54).
next(54,55).
next(49,56).
next(56,57).
next(57,58).
next(58,59).
next(59,60).
next(60,61).
next(61,62).
next(62,63).
next(46,64).
next(64,65).
next(65,66).
next(66,67).
next(67,68).
next(68,69).
next(69,70).
next(70,71).
next(71,72).
next(66,73).
next(73,74).
next(74,75).
next(75,76).
next(76,77).
next(77,78).
next(78,79).
next(79,80).
doAt(startflow,6).
doAt(a19,7).
doAt(a5,9).
doAt(a25,12).
doAt(a20,14).
doAt(a22,15).
doAt(endflow,16).
doAt(a3,18).
doAt(a16,19).
doAt(a7,22).
doAt(a23,24).
doAt(a18,27).
doAt(a1,28).
doAt(a13,30).
doAt(a20,32).
doAt(a22,33).
doAt(endflow,34).
doAt(a6,37).
doAt(a8,38).
doAt(a4,39).
doAt(a20,41).
doAt(a22,42).
doAt(endflow,43).
doAt(a21,46).
doAt(a12,47).
doAt(a17,48).
doAt(a24,49).
doAt(a14,50).
doAt(a20,52).
doAt(a22,53).
doAt(endflow,54).
doAt(a9,56).
doAt(a11,57).
doAt(a2,58).
doAt(a20,60).
doAt(a22,61).
doAt(endflow,62).
doAt(a10,64).
doAt(a17,65).
doAt(a24,66).
doAt(a14,67).
doAt(a20,69).
doAt(a22,70).
doAt(endflow,71).
doAt(a9,73).
doAt(a11,74).
doAt(a2,75).
doAt(a20,77).
doAt(a22,78).
doAt(endflow,79).
compAt(a5,x3,8).
compAt(a20,x2,10).
compAt(a25,x2,11).
compAt(a20,x10,20).
compAt(a5,x10,21).
compAt(a5,x12,23).
compAt(a20,x2,25).
compAt(a25,x2,26).
compAt(a25,x11,29).
compAt(a5,x3,36).
compAt(a20,x22,45).
subsAt(a20,13).
subsAt(a20,31).
subsAt(a20,40).
subsAt(a20,51).
subsAt(a20,59).
subsAt(a20,68).
subsAt(a20,76).
leftrightnexts(50,56).
leftrightnexts(67,73).
leftrightnexts(47,64).
leftrightnexts(39,45).
leftrightnexts(29,36).
leftrightnexts(8,18).