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(8,15).
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(27,28).
next(28,29).
next(29,30).
next(30,31).
next(27,32).
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(23,44).
next(44,45).
next(45,46).
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(50,55).
next(55,56).
next(56,57).
next(57,58).
next(58,59).
next(59,60).
next(60,61).
next(57,62).
next(62,63).
next(63,64).
next(64,65).
doAt(startflow,6).
doAt(a6,8).
doAt(a24,9).
doAt(a3,11).
doAt(a2,12).
doAt(endflow,13).
doAt(a4,16).
doAt(a18,17).
doAt(a25,18).
doAt(a17,19).
doAt(a20,20).
doAt(a8,21).
doAt(a22,23).
doAt(a21,24).
doAt(a13,26).
doAt(a15,27).
doAt(a16,28).
doAt(a2,29).
doAt(endflow,30).
doAt(a5,32).
doAt(a9,34).
doAt(a7,35).
doAt(a19,36).
doAt(a2,37).
doAt(endflow,38).
doAt(a12,40).
doAt(a2,41).
doAt(endflow,42).
doAt(a14,44).
doAt(a10,45).
doAt(a1,46).
doAt(a23,48).
doAt(a13,49).
doAt(a15,50).
doAt(a16,51).
doAt(a2,52).
doAt(endflow,53).
doAt(a5,55).
doAt(a9,56).
doAt(a7,57).
doAt(a19,58).
doAt(a2,59).
doAt(endflow,60).
doAt(a12,62).
doAt(a2,63).
doAt(endflow,64).
compAt(a3,x24,7).
compAt(a3,x19,10).
compAt(a3,x15,15).
compAt(a2,x16,22).
compAt(a3,x4,25).
compAt(a2,x20,33).
compAt(a3,x4,47).
leftrightnexts(36,40).
leftrightnexts(28,32).
leftrightnexts(58,62).
leftrightnexts(51,55).
leftrightnexts(24,44).
leftrightnexts(9,15).