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(15,21).
next(21,22).
next(22,23).
next(23,24).
next(24,25).
next(11,26).
next(26,27).
next(27,28).
next(28,29).
next(29,30).
next(30,31).
next(31,32).
next(32,33).
next(33,34).
next(29,35).
next(35,36).
next(36,37).
next(37,38).
next(38,39).
next(8,40).
next(40,41).
next(41,42).
next(42,43).
next(43,44).
next(44,45).
next(45,46).
next(46,47).
next(47,48).
next(48,49).
next(49,50).
next(50,51).
next(46,52).
next(52,53).
next(53,54).
next(54,55).
next(55,56).
next(42,57).
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(60,66).
next(66,67).
next(67,68).
next(68,69).
next(69,70).
next(7,71).
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(79,80).
next(80,81).
next(81,82).
next(82,83).
next(83,84).
next(84,85).
next(80,86).
next(86,87).
next(87,88).
next(88,89).
next(89,90).
next(76,91).
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(94,100).
next(100,101).
next(101,102).
next(102,103).
next(103,104).
next(73,105).
next(105,106).
next(106,107).
next(107,108).
next(108,109).
next(109,110).
next(110,111).
next(111,112).
next(112,113).
next(113,114).
next(114,115).
next(115,116).
next(116,117).
next(112,118).
next(118,119).
next(119,120).
next(120,121).
next(121,122).
next(108,123).
next(123,124).
next(124,125).
next(125,126).
next(126,127).
next(127,128).
next(128,129).
next(129,130).
next(130,131).
next(126,132).
next(132,133).
next(133,134).
next(134,135).
next(135,136).
doAt(startflow,3).
doAt(a23,4).
doAt(a19,5).
doAt(a2,6).
doAt(a5,7).
doAt(a1,8).
doAt(a22,9).
doAt(a21,10).
doAt(a7,11).
doAt(a9,12).
doAt(a8,13).
doAt(a6,14).
doAt(a12,15).
doAt(a25,16).
doAt(a4,17).
doAt(a20,18).
doAt(endflow,19).
doAt(a13,21).
doAt(a4,22).
doAt(a20,23).
doAt(endflow,24).
doAt(a14,26).
doAt(a8,27).
doAt(a6,28).
doAt(a12,29).
doAt(a25,30).
doAt(a4,31).
doAt(a20,32).
doAt(endflow,33).
doAt(a13,35).
doAt(a4,36).
doAt(a20,37).
doAt(endflow,38).
doAt(a11,40).
doAt(a21,41).
doAt(a7,42).
doAt(a9,43).
doAt(a8,44).
doAt(a6,45).
doAt(a12,46).
doAt(a25,47).
doAt(a4,48).
doAt(a20,49).
doAt(endflow,50).
doAt(a13,52).
doAt(a4,53).
doAt(a20,54).
doAt(endflow,55).
doAt(a14,57).
doAt(a8,58).
doAt(a6,59).
doAt(a12,60).
doAt(a25,61).
doAt(a4,62).
doAt(a20,63).
doAt(endflow,64).
doAt(a13,66).
doAt(a4,67).
doAt(a20,68).
doAt(endflow,69).
doAt(a24,71).
doAt(a15,72).
doAt(a17,73).
doAt(a10,74).
doAt(a21,75).
doAt(a7,76).
doAt(a9,77).
doAt(a8,78).
doAt(a6,79).
doAt(a12,80).
doAt(a25,81).
doAt(a4,82).
doAt(a20,83).
doAt(endflow,84).
doAt(a13,86).
doAt(a4,87).
doAt(a20,88).
doAt(endflow,89).
doAt(a14,91).
doAt(a8,92).
doAt(a6,93).
doAt(a12,94).
doAt(a25,95).
doAt(a4,96).
doAt(a20,97).
doAt(endflow,98).
doAt(a13,100).
doAt(a4,101).
doAt(a20,102).
doAt(endflow,103).
doAt(a18,105).
doAt(a16,106).
doAt(a21,107).
doAt(a7,108).
doAt(a9,109).
doAt(a8,110).
doAt(a6,111).
doAt(a12,112).
doAt(a25,113).
doAt(a4,114).
doAt(a20,115).
doAt(endflow,116).
doAt(a13,118).
doAt(a4,119).
doAt(a20,120).
doAt(endflow,121).
doAt(a14,123).
doAt(a8,124).
doAt(a6,125).
doAt(a12,126).
doAt(a25,127).
doAt(a4,128).
doAt(a20,129).
doAt(endflow,130).
doAt(a13,132).
doAt(a4,133).
doAt(a20,134).
doAt(endflow,135).
leftrightnexts(16,21).
leftrightnexts(30,35).
leftrightnexts(12,26).
leftrightnexts(47,52).
leftrightnexts(61,66).
leftrightnexts(43,57).
leftrightnexts(9,40).
leftrightnexts(81,86).
leftrightnexts(95,100).
leftrightnexts(77,91).
leftrightnexts(113,118).
leftrightnexts(127,132).
leftrightnexts(109,123).
leftrightnexts(74,105).
leftrightnexts(8,71).