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(12,18).
next(18,19).
next(19,20).
next(20,21).
next(21,22).
next(11,23).
next(23,24).
next(24,25).
next(25,26).
next(26,27).
next(9,28).
next(28,29).
next(29,30).
next(30,31).
next(31,32).
next(32,33).
next(33,34).
next(34,35).
next(30,36).
next(36,37).
next(37,38).
next(38,39).
next(39,40).
next(29,41).
next(41,42).
next(42,43).
next(43,44).
next(44,45).
next(6,46).
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(59,60).
next(60,61).
next(61,62).
next(62,63).
next(63,64).
next(59,65).
next(65,66).
next(66,67).
next(67,68).
next(68,69).
next(58,70).
next(70,71).
next(71,72).
next(72,73).
next(73,74).
next(56,75).
next(75,76).
next(76,77).
next(77,78).
next(78,79).
next(79,80).
next(80,81).
next(81,82).
next(77,83).
next(83,84).
next(84,85).
next(85,86).
next(86,87).
next(76,88).
next(88,89).
next(89,90).
next(90,91).
next(91,92).
next(49,93).
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(101,102).
next(102,103).
next(103,104).
next(104,105).
next(105,106).
next(106,107).
next(107,108).
next(108,109).
next(103,110).
next(110,111).
next(111,112).
next(112,113).
next(113,114).
next(114,115).
next(102,116).
next(116,117).
next(117,118).
next(118,119).
next(119,120).
next(120,121).
next(100,122).
next(122,123).
next(123,124).
next(124,125).
next(125,126).
next(126,127).
next(127,128).
next(128,129).
next(129,130).
next(125,131).
next(131,132).
next(132,133).
next(133,134).
next(134,135).
next(124,136).
next(136,137).
next(137,138).
next(138,139).
next(139,140).
doAt(startflow,5).
doAt(a11,6).
doAt(a21,8).
doAt(a14,9).
doAt(a7,10).
doAt(a6,11).
doAt(a19,12).
doAt(a10,13).
doAt(a15,14).
doAt(a20,15).
doAt(endflow,16).
doAt(a25,18).
doAt(a15,19).
doAt(a20,20).
doAt(endflow,21).
doAt(a22,23).
doAt(a15,24).
doAt(a20,25).
doAt(endflow,26).
doAt(a1,28).
doAt(a6,29).
doAt(a19,30).
doAt(a10,31).
doAt(a15,32).
doAt(a20,33).
doAt(endflow,34).
doAt(a25,36).
doAt(a15,37).
doAt(a20,38).
doAt(endflow,39).
doAt(a22,41).
doAt(a15,42).
doAt(a20,43).
doAt(endflow,44).
doAt(a8,46).
doAt(a3,47).
doAt(a5,48).
doAt(a17,49).
doAt(a13,50).
doAt(a23,51).
doAt(a9,52).
doAt(a4,53).
doAt(a12,54).
doAt(a18,55).
doAt(a14,56).
doAt(a7,57).
doAt(a6,58).
doAt(a19,59).
doAt(a10,60).
doAt(a15,61).
doAt(a20,62).
doAt(endflow,63).
doAt(a25,65).
doAt(a15,66).
doAt(a20,67).
doAt(endflow,68).
doAt(a22,70).
doAt(a15,71).
doAt(a20,72).
doAt(endflow,73).
doAt(a1,75).
doAt(a6,76).
doAt(a19,77).
doAt(a10,78).
doAt(a15,79).
doAt(a20,80).
doAt(endflow,81).
doAt(a25,83).
doAt(a15,84).
doAt(a20,85).
doAt(endflow,86).
doAt(a22,88).
doAt(a15,89).
doAt(a20,90).
doAt(endflow,91).
doAt(a24,93).
doAt(a16,94).
doAt(a23,95).
doAt(a9,96).
doAt(a4,97).
doAt(a12,98).
doAt(a18,99).
doAt(a14,100).
doAt(a7,101).
doAt(a6,102).
doAt(a19,103).
doAt(a10,104).
doAt(a15,106).
doAt(a20,107).
doAt(endflow,108).
doAt(a25,111).
doAt(a15,112).
doAt(a20,113).
doAt(endflow,114).
doAt(a22,116).
doAt(a15,118).
doAt(a20,119).
doAt(endflow,120).
doAt(a1,123).
doAt(a6,124).
doAt(a19,125).
doAt(a10,126).
doAt(a15,127).
doAt(a20,128).
doAt(endflow,129).
doAt(a25,131).
doAt(a15,132).
doAt(a20,133).
doAt(endflow,134).
doAt(a22,136).
doAt(a15,137).
doAt(a20,138).
doAt(endflow,139).
compAt(a21,x23,105).
compAt(a21,x23,110).
compAt(a21,x23,117).
compAt(a21,x23,122).
subsAt(a21,7).
leftrightnexts(13,18).
leftrightnexts(12,23).
leftrightnexts(31,36).
leftrightnexts(30,41).
leftrightnexts(10,28).
leftrightnexts(60,65).
leftrightnexts(59,70).
leftrightnexts(78,83).
leftrightnexts(77,88).
leftrightnexts(57,75).
leftrightnexts(104,110).
leftrightnexts(103,116).
leftrightnexts(126,131).
leftrightnexts(125,136).
leftrightnexts(101,122).
leftrightnexts(50,93).
leftrightnexts(7,46).