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(13,17).
next(17,18).
next(18,19).
next(19,20).
next(20,21).
next(21,22).
next(19,23).
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(31,32).
next(29,33).
next(33,34).
next(34,35).
next(35,36).
next(36,37).
next(37,38).
next(35,39).
next(39,40).
next(40,41).
next(41,42).
next(42,43).
next(43,44).
next(41,45).
next(45,46).
next(46,47).
next(47,48).
next(48,49).
next(49,50).
next(50,51).
next(51,52).
next(46,53).
next(53,54).
next(54,55).
next(55,56).
next(56,57).
next(57,58).
next(40,59).
next(59,60).
next(4,61).
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(75,76).
next(76,77).
next(77,78).
next(75,79).
next(79,80).
next(80,81).
next(81,82).
next(82,83).
next(83,84).
next(81,85).
next(85,86).
next(86,87).
next(87,88).
next(88,89).
next(86,90).
next(90,91).
next(91,92).
next(92,93).
next(93,94).
next(91,95).
next(95,96).
next(96,97).
next(97,98).
next(98,99).
next(99,100).
next(97,101).
next(101,102).
next(102,103).
next(103,104).
next(104,105).
next(105,106).
next(103,107).
next(107,108).
next(108,109).
next(109,110).
next(110,111).
next(111,112).
next(112,113).
next(113,114).
next(108,115).
next(115,116).
next(116,117).
next(117,118).
next(118,119).
next(119,120).
next(102,121).
next(121,122).
doAt(startflow,3).
doAt(a14,4).
doAt(a24,5).
doAt(a38,6).
doAt(a9,7).
doAt(a17,8).
doAt(a33,9).
doAt(a25,10).
doAt(a21,11).
doAt(a5,12).
doAt(a23,13).
doAt(a40,14).
doAt(endflow,15).
doAt(a36,17).
doAt(a45,18).
doAt(a12,19).
doAt(a6,20).
doAt(endflow,21).
doAt(a22,23).
doAt(a43,24).
doAt(a8,25).
doAt(endflow,26).
doAt(a37,28).
doAt(a13,29).
doAt(a4,30).
doAt(endflow,31).
doAt(a18,33).
doAt(a32,34).
doAt(a26,35).
doAt(a30,36).
doAt(endflow,37).
doAt(a15,39).
doAt(a41,40).
doAt(a39,41).
doAt(a7,42).
doAt(endflow,43).
doAt(a28,45).
doAt(a16,46).
doAt(a42,47).
doAt(a29,48).
doAt(a3,49).
doAt(a20,50).
doAt(endflow,51).
doAt(a34,53).
doAt(a29,54).
doAt(a3,55).
doAt(a20,56).
doAt(endflow,57).
doAt(endflow,59).
doAt(a19,61).
doAt(a27,62).
doAt(a31,63).
doAt(a11,64).
doAt(a10,65).
doAt(a35,66).
doAt(a2,67).
doAt(a44,68).
doAt(a9,69).
doAt(a17,70).
doAt(a33,71).
doAt(a25,72).
doAt(a21,73).
doAt(a5,74).
doAt(a23,75).
doAt(a40,76).
doAt(endflow,77).
doAt(a36,79).
doAt(a45,80).
doAt(a12,81).
doAt(a6,82).
doAt(endflow,83).
doAt(a22,85).
doAt(a43,86).
doAt(a8,87).
doAt(endflow,88).
doAt(a37,90).
doAt(a13,91).
doAt(a4,92).
doAt(endflow,93).
doAt(a18,95).
doAt(a32,96).
doAt(a26,97).
doAt(a30,98).
doAt(endflow,99).
doAt(a15,101).
doAt(a41,102).
doAt(a39,103).
doAt(a7,104).
doAt(endflow,105).
doAt(a28,107).
doAt(a16,108).
doAt(a42,109).
doAt(a29,110).
doAt(a3,111).
doAt(a20,112).
doAt(endflow,113).
doAt(a34,115).
doAt(a29,116).
doAt(a3,117).
doAt(a20,118).
doAt(endflow,119).
doAt(endflow,121).
leftrightnexts(47,53).
leftrightnexts(42,45).
leftrightnexts(41,59).
leftrightnexts(36,39).
leftrightnexts(30,33).
leftrightnexts(25,28).
leftrightnexts(20,23).
leftrightnexts(14,17).
leftrightnexts(109,115).
leftrightnexts(104,107).
leftrightnexts(103,121).
leftrightnexts(98,101).
leftrightnexts(92,95).
leftrightnexts(87,90).
leftrightnexts(82,85).
leftrightnexts(76,79).
leftrightnexts(5,61).