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(7,15).
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(16,25).
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(35,36).
next(36,37).
next(29,38).
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(51,52).
next(26,53).
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(57,66).
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(74,75).
next(75,76).
next(76,77).
next(77,78).
next(78,79).
next(79,80).
doAt(startflow,6).
doAt(a19,7).
doAt(a25,8).
doAt(a5,10).
doAt(a10,11).
doAt(a17,12).
doAt(endflow,13).
doAt(a18,15).
doAt(a15,16).
doAt(a23,17).
doAt(a5,19).
doAt(a10,20).
doAt(a17,21).
doAt(endflow,23).
doAt(a14,25).
doAt(a3,26).
doAt(a11,27).
doAt(a21,28).
doAt(a22,29).
doAt(a6,30).
doAt(a5,32).
doAt(a10,33).
doAt(a17,34).
doAt(endflow,36).
doAt(a16,39).
doAt(a7,40).
doAt(a20,41).
doAt(a2,42).
doAt(a1,43).
doAt(a9,44).
doAt(a24,45).
doAt(a12,46).
doAt(a5,48).
doAt(a10,49).
doAt(a17,50).
doAt(endflow,51).
doAt(a8,53).
doAt(a4,55).
doAt(a21,56).
doAt(a22,57).
doAt(a6,58).
doAt(a5,60).
doAt(a10,61).
doAt(a17,62).
doAt(endflow,64).
doAt(a16,67).
doAt(a7,68).
doAt(a20,69).
doAt(a2,70).
doAt(a1,71).
doAt(a9,72).
doAt(a24,73).
doAt(a12,74).
doAt(a5,76).
doAt(a10,77).
doAt(a17,78).
doAt(endflow,79).
compAt(a25,x17,22).
compAt(a25,x17,35).
compAt(a5,x5,38).
compAt(a5,x23,54).
compAt(a25,x17,63).
compAt(a5,x5,66).
subsAt(a5,9).
subsAt(a5,18).
subsAt(a5,31).
subsAt(a5,47).
subsAt(a5,59).
subsAt(a5,75).
leftrightnexts(30,38).
leftrightnexts(58,66).
leftrightnexts(27,53).
leftrightnexts(17,25).
leftrightnexts(8,15).