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(24,25).
next(25,26).
next(26,27).
next(24,28).
next(28,29).
next(29,30).
next(30,31).
next(28,32).
next(32,33).
next(33,34).
next(34,35).
next(23,36).
next(36,37).
next(21,38).
next(38,39).
next(39,40).
next(40,41).
next(41,42).
next(42,43).
next(40,44).
next(44,45).
next(45,46).
next(46,47).
next(44,48).
next(48,49).
next(49,50).
next(50,51).
next(39,52).
next(52,53).
next(19,54).
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(60,64).
next(64,65).
next(65,66).
next(66,67).
next(64,68).
next(68,69).
next(69,70).
next(70,71).
next(59,72).
next(72,73).
next(57,74).
next(74,75).
next(75,76).
next(76,77).
next(77,78).
next(78,79).
next(76,80).
next(80,81).
next(81,82).
next(82,83).
next(80,84).
next(84,85).
next(85,86).
next(86,87).
next(75,88).
next(88,89).
doAt(startflow,7).
doAt(a19,9).
doAt(a23,10).
doAt(a2,11).
doAt(a14,12).
doAt(a16,14).
doAt(a3,15).
doAt(a12,16).
doAt(a21,17).
doAt(a8,18).
doAt(a6,19).
doAt(a15,20).
doAt(a5,21).
doAt(a25,22).
doAt(a11,23).
doAt(a20,24).
doAt(a10,25).
doAt(endflow,26).
doAt(a7,28).
doAt(a24,29).
doAt(endflow,30).
doAt(a9,32).
doAt(a22,33).
doAt(endflow,34).
doAt(endflow,36).
doAt(a17,38).
doAt(a11,39).
doAt(a20,40).
doAt(a10,41).
doAt(endflow,42).
doAt(a7,44).
doAt(a24,45).
doAt(endflow,46).
doAt(a9,48).
doAt(a22,49).
doAt(endflow,50).
doAt(endflow,52).
doAt(a13,54).
doAt(a4,55).
doAt(a18,56).
doAt(a5,57).
doAt(a25,58).
doAt(a11,59).
doAt(a20,60).
doAt(a10,61).
doAt(endflow,62).
doAt(a7,64).
doAt(a24,65).
doAt(endflow,66).
doAt(a9,68).
doAt(a22,69).
doAt(endflow,70).
doAt(endflow,72).
doAt(a17,74).
doAt(a11,75).
doAt(a20,76).
doAt(a10,77).
doAt(endflow,78).
doAt(a7,80).
doAt(a24,81).
doAt(endflow,82).
doAt(a9,84).
doAt(a22,85).
doAt(endflow,86).
doAt(endflow,88).
compAt(a14,x12,8).
compAt(a16,x20,13).
leftrightnexts(29,32).
leftrightnexts(25,28).
leftrightnexts(24,36).
leftrightnexts(45,48).
leftrightnexts(41,44).
leftrightnexts(40,52).
leftrightnexts(22,38).
leftrightnexts(65,68).
leftrightnexts(61,64).
leftrightnexts(60,72).
leftrightnexts(81,84).
leftrightnexts(77,80).
leftrightnexts(76,88).
leftrightnexts(58,74).
leftrightnexts(20,54).