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(17,21).
next(21,22).
next(22,23).
next(23,24).
next(24,25).
next(25,26).
next(21,27).
next(27,28).
next(28,29).
next(29,30).
next(30,31).
next(31,32).
next(9,33).
next(33,34).
next(34,35).
next(35,36).
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(44,45).
next(45,46).
next(46,47).
next(44,48).
next(48,49).
next(49,50).
next(50,51).
next(51,52).
next(52,53).
next(48,54).
next(54,55).
next(55,56).
next(56,57).
next(57,58).
next(58,59).
next(34,60).
next(60,61).
next(61,62).
next(62,63).
next(63,64).
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(72,73).
next(73,74).
next(74,75).
next(72,76).
next(76,77).
next(77,78).
next(78,79).
next(79,80).
next(80,81).
next(76,82).
next(82,83).
next(83,84).
next(84,85).
next(85,86).
next(86,87).
doAt(startflow,5).
doAt(a8,7).
doAt(a2,8).
doAt(a12,9).
doAt(a1,10).
doAt(a7,11).
doAt(a28,12).
doAt(a5,13).
doAt(a10,14).
doAt(a13,15).
doAt(a29,16).
doAt(a15,17).
doAt(a25,18).
doAt(endflow,19).
doAt(a9,21).
doAt(a16,22).
doAt(a27,23).
doAt(a18,24).
doAt(endflow,25).
doAt(a11,27).
doAt(a3,28).
doAt(a27,29).
doAt(a18,30).
doAt(endflow,31).
doAt(a20,33).
doAt(a21,34).
doAt(a17,35).
doAt(a26,36).
doAt(a14,37).
doAt(a23,38).
doAt(a28,39).
doAt(a5,40).
doAt(a10,41).
doAt(a13,42).
doAt(a29,43).
doAt(a15,44).
doAt(a25,45).
doAt(endflow,46).
doAt(a9,48).
doAt(a16,49).
doAt(a27,50).
doAt(a18,51).
doAt(endflow,52).
doAt(a11,54).
doAt(a3,55).
doAt(a27,56).
doAt(a18,57).
doAt(endflow,58).
doAt(a4,60).
doAt(a19,61).
doAt(a24,62).
doAt(a30,63).
doAt(a6,64).
doAt(a14,65).
doAt(a23,66).
doAt(a28,67).
doAt(a5,68).
doAt(a10,69).
doAt(a13,70).
doAt(a29,71).
doAt(a15,72).
doAt(a25,73).
doAt(endflow,74).
doAt(a9,76).
doAt(a16,77).
doAt(a27,78).
doAt(a18,79).
doAt(endflow,80).
doAt(a11,82).
doAt(a3,83).
doAt(a27,84).
doAt(a18,85).
doAt(endflow,86).
subsAt(a8,6).
leftrightnexts(22,27).
leftrightnexts(18,21).
leftrightnexts(49,54).
leftrightnexts(45,48).
leftrightnexts(77,82).
leftrightnexts(73,76).
leftrightnexts(35,60).
leftrightnexts(10,33).