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(20,21).
next(21,22).
next(22,23).
next(17,24).
next(24,25).
next(25,26).
next(26,27).
next(27,28).
next(28,29).
next(12,30).
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(39,40).
next(34,41).
next(41,42).
next(42,43).
next(43,44).
next(44,45).
next(45,46).
next(10,47).
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(55,62).
next(62,63).
next(63,64).
next(64,65).
next(65,66).
next(66,67).
next(50,68).
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(72,79).
next(79,80).
next(80,81).
next(81,82).
next(82,83).
next(83,84).
next(8,85).
next(85,86).
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(93,100).
next(100,101).
next(101,102).
next(102,103).
next(103,104).
next(104,105).
next(88,106).
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(110,117).
next(117,118).
next(118,119).
next(119,120).
next(120,121).
next(121,122).
next(86,123).
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(131,132).
next(132,133).
next(133,134).
next(134,135).
next(135,136).
next(136,137).
next(131,138).
next(138,139).
next(139,140).
next(140,141).
next(141,142).
next(142,143).
next(126,144).
next(144,145).
next(145,146).
next(146,147).
next(147,148).
next(148,149).
next(149,150).
next(150,151).
next(151,152).
next(152,153).
next(153,154).
next(148,155).
next(155,156).
next(156,157).
next(157,158).
next(158,159).
next(159,160).
doAt(startflow,3).
doAt(a21,4).
doAt(a1,5).
doAt(a24,6).
doAt(a20,7).
doAt(a13,8).
doAt(a17,9).
doAt(a18,10).
doAt(a10,11).
doAt(a9,12).
doAt(a19,13).
doAt(a5,14).
doAt(a12,15).
doAt(a23,16).
doAt(a7,17).
doAt(a15,18).
doAt(a16,19).
doAt(a22,20).
doAt(a4,21).
doAt(endflow,22).
doAt(a14,24).
doAt(a16,25).
doAt(a22,26).
doAt(a4,27).
doAt(endflow,28).
doAt(a11,30).
doAt(a5,31).
doAt(a12,32).
doAt(a23,33).
doAt(a7,34).
doAt(a15,35).
doAt(a16,36).
doAt(a22,37).
doAt(a4,38).
doAt(endflow,39).
doAt(a14,41).
doAt(a16,42).
doAt(a22,43).
doAt(a4,44).
doAt(endflow,45).
doAt(a3,47).
doAt(a25,48).
doAt(a8,49).
doAt(a9,50).
doAt(a19,51).
doAt(a5,52).
doAt(a12,53).
doAt(a23,54).
doAt(a7,55).
doAt(a15,56).
doAt(a16,57).
doAt(a22,58).
doAt(a4,59).
doAt(endflow,60).
doAt(a14,62).
doAt(a16,63).
doAt(a22,64).
doAt(a4,65).
doAt(endflow,66).
doAt(a11,68).
doAt(a5,69).
doAt(a12,70).
doAt(a23,71).
doAt(a7,72).
doAt(a15,73).
doAt(a16,74).
doAt(a22,75).
doAt(a4,76).
doAt(endflow,77).
doAt(a14,79).
doAt(a16,80).
doAt(a22,81).
doAt(a4,82).
doAt(endflow,83).
doAt(a6,85).
doAt(a18,86).
doAt(a10,87).
doAt(a9,88).
doAt(a19,89).
doAt(a5,90).
doAt(a12,91).
doAt(a23,92).
doAt(a7,93).
doAt(a15,94).
doAt(a16,95).
doAt(a22,96).
doAt(a4,97).
doAt(endflow,98).
doAt(a14,100).
doAt(a16,101).
doAt(a22,102).
doAt(a4,103).
doAt(endflow,104).
doAt(a11,106).
doAt(a5,107).
doAt(a12,108).
doAt(a23,109).
doAt(a7,110).
doAt(a15,111).
doAt(a16,112).
doAt(a22,113).
doAt(a4,114).
doAt(endflow,115).
doAt(a14,117).
doAt(a16,118).
doAt(a22,119).
doAt(a4,120).
doAt(endflow,121).
doAt(a3,123).
doAt(a25,124).
doAt(a8,125).
doAt(a9,126).
doAt(a19,127).
doAt(a5,128).
doAt(a12,129).
doAt(a23,130).
doAt(a7,131).
doAt(a15,132).
doAt(a16,133).
doAt(a22,134).
doAt(a4,135).
doAt(endflow,136).
doAt(a14,138).
doAt(a16,139).
doAt(a22,140).
doAt(a4,141).
doAt(endflow,142).
doAt(a11,144).
doAt(a5,145).
doAt(a12,146).
doAt(a23,147).
doAt(a7,148).
doAt(a15,149).
doAt(a16,150).
doAt(a22,151).
doAt(a4,152).
doAt(endflow,153).
doAt(a14,155).
doAt(a16,156).
doAt(a22,157).
doAt(a4,158).
doAt(endflow,159).
leftrightnexts(18,24).
leftrightnexts(35,41).
leftrightnexts(13,30).
leftrightnexts(56,62).
leftrightnexts(73,79).
leftrightnexts(51,68).
leftrightnexts(11,47).
leftrightnexts(94,100).
leftrightnexts(111,117).
leftrightnexts(89,106).
leftrightnexts(132,138).
leftrightnexts(149,155).
leftrightnexts(127,144).
leftrightnexts(87,123).
leftrightnexts(9,85).