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(18,22).
next(22,23).
next(23,24).
next(24,25).
next(25,26).
next(23,27).
next(27,28).
next(28,29).
next(29,30).
next(30,31).
next(13,32).
next(32,33).
next(33,34).
next(34,35).
next(35,36).
next(36,37).
next(37,38).
next(38,39).
next(39,40).
next(37,41).
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(33,51).
next(51,52).
next(52,53).
next(53,54).
next(54,55).
next(55,56).
next(56,57).
next(57,58).
next(58,59).
next(56,60).
next(60,61).
next(61,62).
next(62,63).
next(63,64).
next(61,65).
next(65,66).
next(66,67).
next(67,68).
next(68,69).
next(51,70).
next(70,71).
next(71,72).
next(72,73).
next(73,74).
next(74,75).
next(75,76).
next(76,77).
next(74,78).
next(78,79).
next(79,80).
next(80,81).
next(81,82).
next(79,83).
next(83,84).
next(84,85).
next(85,86).
next(86,87).
doAt(startflow,6).
doAt(a24,8).
doAt(a3,9).
doAt(a17,10).
doAt(a5,12).
doAt(a11,13).
doAt(a22,14).
doAt(a14,15).
doAt(a10,16).
doAt(a9,17).
doAt(a6,18).
doAt(a16,19).
doAt(endflow,20).
doAt(a13,22).
doAt(a21,23).
doAt(a7,24).
doAt(endflow,25).
doAt(a15,27).
doAt(a20,28).
doAt(a8,29).
doAt(endflow,30).
doAt(a23,32).
doAt(a12,33).
doAt(a19,34).
doAt(a10,35).
doAt(a9,36).
doAt(a6,37).
doAt(a16,38).
doAt(endflow,39).
doAt(a13,41).
doAt(a21,42).
doAt(a7,43).
doAt(endflow,44).
doAt(a15,46).
doAt(a20,47).
doAt(a8,48).
doAt(endflow,49).
doAt(a18,51).
doAt(a4,52).
doAt(a1,53).
doAt(a10,54).
doAt(a9,55).
doAt(a6,56).
doAt(a16,57).
doAt(endflow,58).
doAt(a13,60).
doAt(a21,61).
doAt(a7,62).
doAt(endflow,63).
doAt(a15,65).
doAt(a20,66).
doAt(a8,67).
doAt(endflow,68).
doAt(a25,70).
doAt(a1,71).
doAt(a10,72).
doAt(a9,73).
doAt(a6,74).
doAt(a16,75).
doAt(endflow,76).
doAt(a13,78).
doAt(a21,79).
doAt(a7,80).
doAt(endflow,81).
doAt(a15,83).
doAt(a20,84).
doAt(a8,85).
doAt(endflow,86).
compAt(a3,x16,7).
subsAt(a5,11).
leftrightnexts(24,27).
leftrightnexts(19,22).
leftrightnexts(43,46).
leftrightnexts(38,41).
leftrightnexts(62,65).
leftrightnexts(57,60).
leftrightnexts(80,83).
leftrightnexts(75,78).
leftrightnexts(52,70).
leftrightnexts(34,51).
leftrightnexts(14,32).