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(23,24).
next(24,25).
next(25,26).
next(26,27).
next(22,28).
next(28,29).
next(29,30).
next(30,31).
next(31,32).
next(20,33).
next(33,34).
next(34,35).
next(35,36).
next(36,37).
next(37,38).
next(38,39).
next(39,40).
next(35,41).
next(41,42).
next(42,43).
next(43,44).
next(44,45).
next(14,46).
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(56,62).
next(62,63).
next(63,64).
next(64,65).
next(65,66).
next(54,67).
next(67,68).
next(68,69).
next(69,70).
next(70,71).
next(71,72).
next(72,73).
next(73,74).
next(69,75).
next(75,76).
next(76,77).
next(77,78).
next(78,79).
doAt(startflow,5).
doAt(a1,7).
doAt(a24,9).
doAt(a12,12).
doAt(a20,13).
doAt(a4,14).
doAt(a21,15).
doAt(a16,16).
doAt(a23,17).
doAt(a7,18).
doAt(a8,19).
doAt(a25,20).
doAt(a6,21).
doAt(a13,22).
doAt(a14,23).
doAt(a19,24).
doAt(a3,25).
doAt(endflow,26).
doAt(a22,28).
doAt(a19,29).
doAt(a3,30).
doAt(endflow,31).
doAt(a9,33).
doAt(a15,34).
doAt(a13,35).
doAt(a14,36).
doAt(a19,37).
doAt(a3,38).
doAt(endflow,39).
doAt(a22,41).
doAt(a19,42).
doAt(a3,43).
doAt(endflow,44).
doAt(a10,46).
doAt(a5,47).
doAt(a2,48).
doAt(a11,49).
doAt(a17,50).
doAt(a23,51).
doAt(a7,52).
doAt(a8,53).
doAt(a25,54).
doAt(a6,55).
doAt(a13,56).
doAt(a14,57).
doAt(a19,58).
doAt(a3,59).
doAt(endflow,60).
doAt(a22,62).
doAt(a19,63).
doAt(a3,64).
doAt(endflow,65).
doAt(a9,67).
doAt(a15,68).
doAt(a13,69).
doAt(a14,70).
doAt(a19,71).
doAt(a3,72).
doAt(endflow,73).
doAt(a22,75).
doAt(a19,76).
doAt(a3,77).
doAt(endflow,78).
compAt(a12,x17,11).
subsAt(a1,6).
subsAt(a24,8).
subsAt(a12,10).
leftrightnexts(23,28).
leftrightnexts(36,41).
leftrightnexts(21,33).
leftrightnexts(57,62).
leftrightnexts(70,75).
leftrightnexts(55,67).
leftrightnexts(15,46).