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(15,19).
next(19,20).
next(20,21).
next(21,22).
next(12,23).
next(23,24).
next(24,25).
next(25,26).
next(26,27).
next(27,28).
next(28,29).
next(29,30).
next(27,31).
next(31,32).
next(32,33).
next(33,34).
next(24,35).
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(4,45).
next(45,46).
next(46,47).
next(47,48).
next(48,49).
next(49,50).
next(50,51).
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(53,64).
next(64,65).
next(65,66).
next(66,67).
next(67,68).
next(68,69).
next(69,70).
next(70,71).
next(68,72).
next(72,73).
next(73,74).
next(74,75).
next(65,76).
next(76,77).
next(77,78).
next(78,79).
next(79,80).
next(80,81).
next(78,82).
next(82,83).
next(83,84).
next(84,85).
next(45,86).
next(86,87).
next(87,88).
next(88,89).
next(89,90).
next(90,91).
next(91,92).
next(92,93).
next(93,94).
next(94,95).
next(95,96).
next(96,97).
next(97,98).
next(98,99).
next(99,100).
next(100,101).
next(98,102).
next(102,103).
next(103,104).
next(104,105).
next(95,106).
next(106,107).
next(107,108).
next(108,109).
next(109,110).
next(110,111).
next(111,112).
next(112,113).
next(110,114).
next(114,115).
next(115,116).
next(116,117).
next(107,118).
next(118,119).
next(119,120).
next(120,121).
next(121,122).
next(122,123).
next(120,124).
next(124,125).
next(125,126).
next(126,127).
doAt(startflow,3).
doAt(a10,4).
doAt(a16,5).
doAt(a7,6).
doAt(a3,7).
doAt(a24,8).
doAt(a9,9).
doAt(a1,10).
doAt(a4,11).
doAt(a15,12).
doAt(a2,13).
doAt(a6,14).
doAt(a5,15).
doAt(a14,16).
doAt(endflow,17).
doAt(a13,19).
doAt(a25,20).
doAt(endflow,21).
doAt(a23,23).
doAt(a20,24).
doAt(a17,25).
doAt(a6,26).
doAt(a5,27).
doAt(a14,28).
doAt(endflow,29).
doAt(a13,31).
doAt(a25,32).
doAt(endflow,33).
doAt(a19,35).
doAt(a6,36).
doAt(a5,37).
doAt(a14,38).
doAt(endflow,39).
doAt(a13,41).
doAt(a25,42).
doAt(endflow,43).
doAt(a8,45).
doAt(a22,46).
doAt(a7,47).
doAt(a3,48).
doAt(a24,49).
doAt(a9,50).
doAt(a1,51).
doAt(a4,52).
doAt(a15,53).
doAt(a2,54).
doAt(a6,55).
doAt(a5,56).
doAt(a14,57).
doAt(endflow,58).
doAt(a13,60).
doAt(a25,61).
doAt(endflow,62).
doAt(a23,64).
doAt(a20,65).
doAt(a17,66).
doAt(a6,67).
doAt(a5,68).
doAt(a14,69).
doAt(endflow,70).
doAt(a13,72).
doAt(a25,73).
doAt(endflow,74).
doAt(a19,76).
doAt(a6,77).
doAt(a5,78).
doAt(a14,79).
doAt(endflow,80).
doAt(a13,82).
doAt(a25,83).
doAt(endflow,84).
doAt(a21,86).
doAt(a18,87).
doAt(a12,88).
doAt(a7,89).
doAt(a3,90).
doAt(a24,91).
doAt(a9,92).
doAt(a1,93).
doAt(a4,94).
doAt(a15,95).
doAt(a2,96).
doAt(a6,97).
doAt(a5,98).
doAt(a14,99).
doAt(endflow,100).
doAt(a13,102).
doAt(a25,103).
doAt(endflow,104).
doAt(a23,106).
doAt(a20,107).
doAt(a17,108).
doAt(a6,109).
doAt(a5,110).
doAt(a14,111).
doAt(endflow,112).
doAt(a13,114).
doAt(a25,115).
doAt(endflow,116).
doAt(a19,118).
doAt(a6,119).
doAt(a5,120).
doAt(a14,121).
doAt(endflow,122).
doAt(a13,124).
doAt(a25,125).
doAt(endflow,126).
leftrightnexts(16,19).
leftrightnexts(28,31).
leftrightnexts(38,41).
leftrightnexts(25,35).
leftrightnexts(13,23).
leftrightnexts(57,60).
leftrightnexts(69,72).
leftrightnexts(79,82).
leftrightnexts(66,76).
leftrightnexts(54,64).
leftrightnexts(99,102).
leftrightnexts(111,114).
leftrightnexts(121,124).
leftrightnexts(108,118).
leftrightnexts(96,106).
leftrightnexts(46,86).
leftrightnexts(5,45).