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(13,18).
next(18,19).
next(19,20).
next(20,21).
next(21,22).
next(22,23).
next(12,24).
next(24,25).
next(25,26).
next(26,27).
next(27,28).
next(28,29).
next(9,30).
next(30,31).
next(31,32).
next(32,33).
next(33,34).
next(34,35).
next(35,36).
next(36,37).
next(37,38).
next(38,39).
next(35,40).
next(40,41).
next(41,42).
next(42,43).
next(43,44).
next(44,45).
next(34,46).
next(46,47).
next(47,48).
next(48,49).
next(49,50).
next(50,51).
next(5,52).
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(61,67).
next(67,68).
next(68,69).
next(69,70).
next(70,71).
next(71,72).
next(72,73).
next(60,74).
next(74,75).
next(75,76).
next(76,77).
next(77,78).
next(78,79).
next(79,80).
next(57,81).
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(89,90).
next(86,91).
next(91,92).
next(92,93).
next(93,94).
next(94,95).
next(95,96).
next(85,97).
next(97,98).
next(98,99).
next(99,100).
next(100,101).
next(101,102).
next(53,103).
next(103,104).
next(104,105).
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(110,115).
next(115,116).
next(116,117).
next(117,118).
next(118,119).
next(119,120).
next(109,121).
next(121,122).
next(122,123).
next(123,124).
next(124,125).
next(125,126).
next(106,127).
next(127,128).
next(128,129).
next(129,130).
next(130,131).
next(131,132).
next(132,133).
next(133,134).
next(134,135).
next(135,136).
next(132,137).
next(137,138).
next(138,139).
next(139,140).
next(140,141).
next(141,142).
next(131,143).
next(143,144).
next(144,145).
next(145,146).
next(146,147).
next(147,148).
doAt(startflow,4).
doAt(a20,5).
doAt(a7,6).
doAt(a25,7).
doAt(a5,8).
doAt(a9,9).
doAt(a3,10).
doAt(a15,11).
doAt(a6,12).
doAt(a18,13).
doAt(a16,14).
doAt(a12,15).
doAt(endflow,16).
doAt(a17,18).
doAt(a2,19).
doAt(a13,20).
doAt(a12,21).
doAt(endflow,22).
doAt(a23,24).
doAt(a24,25).
doAt(a1,26).
doAt(a12,27).
doAt(endflow,28).
doAt(a19,30).
doAt(a21,31).
doAt(a4,32).
doAt(a15,33).
doAt(a6,34).
doAt(a18,35).
doAt(a16,36).
doAt(a12,37).
doAt(endflow,38).
doAt(a17,40).
doAt(a2,41).
doAt(a13,42).
doAt(a12,43).
doAt(endflow,44).
doAt(a23,46).
doAt(a24,47).
doAt(a1,48).
doAt(a12,49).
doAt(endflow,50).
doAt(a8,52).
doAt(a14,53).
doAt(a11,54).
doAt(a5,56).
doAt(a9,57).
doAt(a3,58).
doAt(a15,59).
doAt(a6,60).
doAt(a18,61).
doAt(a16,62).
doAt(a12,63).
doAt(endflow,65).
doAt(a17,67).
doAt(a2,69).
doAt(a13,70).
doAt(a12,71).
doAt(endflow,72).
doAt(a23,74).
doAt(a24,75).
doAt(a1,76).
doAt(a12,77).
doAt(endflow,79).
doAt(a19,81).
doAt(a21,82).
doAt(a4,83).
doAt(a15,84).
doAt(a6,85).
doAt(a18,86).
doAt(a16,87).
doAt(a12,88).
doAt(endflow,89).
doAt(a17,91).
doAt(a2,92).
doAt(a13,93).
doAt(a12,94).
doAt(endflow,95).
doAt(a23,97).
doAt(a24,98).
doAt(a1,99).
doAt(a12,100).
doAt(endflow,101).
doAt(a22,103).
doAt(a5,105).
doAt(a9,106).
doAt(a3,107).
doAt(a15,108).
doAt(a6,109).
doAt(a18,110).
doAt(a16,111).
doAt(a12,112).
doAt(endflow,113).
doAt(a17,115).
doAt(a2,116).
doAt(a13,117).
doAt(a12,118).
doAt(endflow,119).
doAt(a23,121).
doAt(a24,122).
doAt(a1,123).
doAt(a12,124).
doAt(endflow,125).
doAt(a19,127).
doAt(a21,128).
doAt(a4,129).
doAt(a15,130).
doAt(a6,131).
doAt(a18,132).
doAt(a16,133).
doAt(a12,134).
doAt(endflow,135).
doAt(a17,137).
doAt(a2,138).
doAt(a13,139).
doAt(a12,140).
doAt(endflow,141).
doAt(a23,143).
doAt(a24,144).
doAt(a1,145).
doAt(a12,146).
doAt(endflow,147).
compAt(a7,x1,55).
compAt(a7,x22,64).
compAt(a7,x22,68).
compAt(a7,x22,78).
compAt(a7,x1,104).
leftrightnexts(14,18).
leftrightnexts(13,24).
leftrightnexts(36,40).
leftrightnexts(35,46).
leftrightnexts(10,30).
leftrightnexts(62,67).
leftrightnexts(61,74).
leftrightnexts(87,91).
leftrightnexts(86,97).
leftrightnexts(58,81).
leftrightnexts(111,115).
leftrightnexts(110,121).
leftrightnexts(133,137).
leftrightnexts(132,143).
leftrightnexts(107,127).
leftrightnexts(54,103).
leftrightnexts(6,52).