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(20,24).
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(9,34).
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(43,44).
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(54,55).
next(55,56).
next(56,57).
next(54,58).
next(58,59).
next(59,60).
next(60,61).
next(61,62).
next(62,63).
next(63,64).
next(64,65).
next(65,66).
next(66,67).
doAt(startflow,8).
doAt(a24,9).
doAt(a12,12).
doAt(a16,15).
doAt(a3,17).
doAt(a6,19).
doAt(a14,20).
doAt(a22,21).
doAt(endflow,22).
doAt(a7,24).
doAt(a21,25).
doAt(a11,26).
doAt(a23,27).
doAt(a15,28).
doAt(a9,29).
doAt(a2,30).
doAt(a17,31).
doAt(endflow,32).
doAt(a5,34).
doAt(a25,36).
doAt(a19,39).
doAt(a20,40).
doAt(a13,41).
doAt(a4,43).
doAt(a8,44).
doAt(a10,45).
doAt(a18,46).
doAt(a16,49).
doAt(a3,51).
doAt(a6,53).
doAt(a14,54).
doAt(a22,55).
doAt(endflow,56).
doAt(a7,58).
doAt(a21,59).
doAt(a11,60).
doAt(a23,61).
doAt(a15,62).
doAt(a9,63).
doAt(a2,64).
doAt(a17,65).
doAt(endflow,66).
compAt(a3,x6,10).
compAt(a16,x6,11).
compAt(a6,x14,14).
compAt(a6,x14,35).
compAt(a3,x17,37).
compAt(a16,x17,38).
compAt(a6,x10,42).
compAt(a12,x7,48).
subsAt(a16,13).
subsAt(a3,16).
subsAt(a6,18).
subsAt(a16,47).
subsAt(a3,50).
subsAt(a6,52).
leftrightnexts(21,24).
leftrightnexts(55,58).
leftrightnexts(10,34).