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(20,25).
next(25,26).
next(26,27).
next(27,28).
next(18,29).
next(29,30).
next(30,31).
next(31,32).
next(32,33).
next(33,34).
next(34,35).
next(35,36).
next(32,37).
next(37,38).
next(38,39).
next(39,40).
next(30,41).
next(41,42).
next(42,43).
next(43,44).
next(44,45).
next(45,46).
next(46,47).
next(43,48).
next(48,49).
next(49,50).
next(50,51).
next(8,52).
next(52,53).
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(65,66).
next(62,67).
next(67,68).
next(68,69).
next(69,70).
next(60,71).
next(71,72).
next(72,73).
next(73,74).
next(74,75).
next(75,76).
next(76,77).
next(77,78).
next(74,79).
next(79,80).
next(80,81).
next(81,82).
next(72,83).
next(83,84).
next(84,85).
next(85,86).
next(86,87).
next(87,88).
next(88,89).
next(85,90).
next(90,91).
next(91,92).
next(92,93).
doAt(startflow,4).
doAt(a3,5).
doAt(a21,7).
doAt(a20,8).
doAt(a6,9).
doAt(a10,10).
doAt(a12,11).
doAt(a22,12).
doAt(a7,13).
doAt(a17,14).
doAt(a1,15).
doAt(a23,16).
doAt(a14,17).
doAt(a15,18).
doAt(a9,19).
doAt(a24,20).
doAt(a8,21).
doAt(a16,22).
doAt(endflow,23).
doAt(a18,25).
doAt(a16,26).
doAt(endflow,27).
doAt(a25,29).
doAt(a4,30).
doAt(a13,31).
doAt(a24,32).
doAt(a8,33).
doAt(a16,34).
doAt(endflow,35).
doAt(a18,37).
doAt(a16,38).
doAt(endflow,39).
doAt(a11,41).
doAt(a19,42).
doAt(a24,43).
doAt(a8,44).
doAt(a16,45).
doAt(endflow,46).
doAt(a18,48).
doAt(a16,49).
doAt(endflow,50).
doAt(a5,52).
doAt(a12,53).
doAt(a22,54).
doAt(a7,55).
doAt(a17,56).
doAt(a1,57).
doAt(a23,58).
doAt(a14,59).
doAt(a15,60).
doAt(a9,61).
doAt(a24,62).
doAt(a8,63).
doAt(a16,64).
doAt(endflow,65).
doAt(a18,67).
doAt(a16,68).
doAt(endflow,69).
doAt(a25,71).
doAt(a4,72).
doAt(a13,73).
doAt(a24,74).
doAt(a8,75).
doAt(a16,76).
doAt(endflow,77).
doAt(a18,79).
doAt(a16,80).
doAt(endflow,81).
doAt(a11,83).
doAt(a19,84).
doAt(a24,85).
doAt(a8,86).
doAt(a16,87).
doAt(endflow,88).
doAt(a18,90).
doAt(a16,91).
doAt(endflow,92).
subsAt(a21,6).
leftrightnexts(21,25).
leftrightnexts(33,37).
leftrightnexts(44,48).
leftrightnexts(31,41).
leftrightnexts(19,29).
leftrightnexts(63,67).
leftrightnexts(75,79).
leftrightnexts(86,90).
leftrightnexts(73,83).
leftrightnexts(61,71).
leftrightnexts(9,52).