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(14,21).
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(31,32).
next(32,33).
next(27,34).
next(34,35).
next(35,36).
next(36,37).
next(37,38).
next(38,39).
next(39,40).
next(40,41).
next(41,42).
next(42,43).
next(26,44).
next(44,45).
next(45,46).
next(46,47).
next(47,48).
next(48,49).
next(49,50).
next(50,51).
next(25,52).
next(52,53).
next(53,54).
next(54,55).
next(55,56).
next(56,57).
next(13,58).
next(58,59).
next(59,60).
next(60,61).
next(61,62).
next(62,63).
next(63,64).
next(64,65).
doAt(startflow,7).
doAt(a25,10).
doAt(a1,11).
doAt(a17,13).
doAt(a10,14).
doAt(a3,16).
doAt(a6,17).
doAt(a4,18).
doAt(endflow,19).
doAt(a16,22).
doAt(a19,23).
doAt(a12,25).
doAt(a11,26).
doAt(a15,27).
doAt(a13,28).
doAt(a6,29).
doAt(a4,30).
doAt(endflow,32).
doAt(a2,34).
doAt(a7,35).
doAt(a9,36).
doAt(a23,38).
doAt(a21,39).
doAt(a6,40).
doAt(a4,41).
doAt(endflow,42).
doAt(a22,44).
doAt(a18,45).
doAt(a20,46).
doAt(a6,47).
doAt(a4,48).
doAt(endflow,50).
doAt(a14,52).
doAt(a6,53).
doAt(a4,54).
doAt(endflow,56).
doAt(a8,58).
doAt(a24,59).
doAt(a6,60).
doAt(a4,61).
doAt(endflow,64).
compAt(a25,x24,8).
compAt(a3,x8,12).
compAt(a3,x4,15).
compAt(a3,x17,21).
compAt(a3,x4,24).
compAt(a3,x18,31).
compAt(a3,x18,37).
compAt(a3,x18,49).
compAt(a3,x18,55).
compAt(a3,x4,62).
compAt(a3,x17,63).
subsAt(a25,9).
leftrightnexts(28,34).
leftrightnexts(27,44).
leftrightnexts(26,52).
leftrightnexts(15,21).
leftrightnexts(14,58).