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(10,14).
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(20,24).
next(24,25).
next(25,26).
next(6,27).
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(33,37).
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(43,47).
next(47,48).
next(48,49).
next(28,50).
next(50,51).
next(51,52).
next(52,53).
next(53,54).
next(54,55).
next(55,56).
next(56,57).
next(54,58).
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(66,67).
next(64,68).
next(68,69).
next(69,70).
next(27,71).
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(76,80).
next(80,81).
next(81,82).
next(82,83).
next(83,84).
next(84,85).
next(85,86).
next(86,87).
next(87,88).
next(88,89).
next(86,90).
next(90,91).
next(91,92).
doAt(startflow,3).
doAt(a12,4).
doAt(a14,5).
doAt(a11,6).
doAt(a5,7).
doAt(a13,8).
doAt(a17,9).
doAt(a22,10).
doAt(a10,11).
doAt(endflow,12).
doAt(a23,14).
doAt(a2,15).
doAt(a19,16).
doAt(a24,17).
doAt(a9,18).
doAt(a4,19).
doAt(a18,20).
doAt(a20,21).
doAt(endflow,22).
doAt(a16,24).
doAt(endflow,25).
doAt(a15,27).
doAt(a8,28).
doAt(a1,29).
doAt(a7,30).
doAt(a13,31).
doAt(a17,32).
doAt(a22,33).
doAt(a10,34).
doAt(endflow,35).
doAt(a23,37).
doAt(a2,38).
doAt(a19,39).
doAt(a24,40).
doAt(a9,41).
doAt(a4,42).
doAt(a18,43).
doAt(a20,44).
doAt(endflow,45).
doAt(a16,47).
doAt(endflow,48).
doAt(a21,50).
doAt(a7,51).
doAt(a13,52).
doAt(a17,53).
doAt(a22,54).
doAt(a10,55).
doAt(endflow,56).
doAt(a23,58).
doAt(a2,59).
doAt(a19,60).
doAt(a24,61).
doAt(a9,62).
doAt(a4,63).
doAt(a18,64).
doAt(a20,65).
doAt(endflow,66).
doAt(a16,68).
doAt(endflow,69).
doAt(a25,71).
doAt(a3,72).
doAt(a7,73).
doAt(a13,74).
doAt(a17,75).
doAt(a22,76).
doAt(a10,77).
doAt(endflow,78).
doAt(a23,80).
doAt(a2,81).
doAt(a19,82).
doAt(a24,83).
doAt(a9,84).
doAt(a4,85).
doAt(a18,86).
doAt(a20,87).
doAt(endflow,88).
doAt(a16,90).
doAt(endflow,91).
leftrightnexts(21,24).
leftrightnexts(11,14).
leftrightnexts(44,47).
leftrightnexts(34,37).
leftrightnexts(65,68).
leftrightnexts(55,58).
leftrightnexts(29,50).
leftrightnexts(87,90).
leftrightnexts(77,80).
leftrightnexts(28,71).
leftrightnexts(7,27).