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(27,28).
next(28,29).
next(22,30).
next(30,31).
next(31,32).
next(32,33).
next(33,34).
next(34,35).
next(35,36).
next(36,37).
next(30,38).
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(39,47).
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(49,57).
next(57,58).
next(58,59).
next(59,60).
next(60,61).
next(61,62).
next(62,63).
next(63,64).
next(57,65).
next(65,66).
next(66,67).
next(67,68).
next(68,69).
next(69,70).
next(70,71).
doAt(startflow,8).
doAt(a23,12).
doAt(a1,13).
doAt(a22,15).
doAt(a16,17).
doAt(a19,20).
doAt(a3,21).
doAt(a25,22).
doAt(a20,23).
doAt(a15,24).
doAt(a9,25).
doAt(a8,26).
doAt(a13,27).
doAt(endflow,28).
doAt(a14,30).
doAt(a11,31).
doAt(a15,32).
doAt(a9,33).
doAt(a8,34).
doAt(a13,35).
doAt(endflow,36).
doAt(a7,38).
doAt(a5,39).
doAt(a12,40).
doAt(a15,41).
doAt(a9,42).
doAt(a8,43).
doAt(a13,44).
doAt(endflow,45).
doAt(a21,47).
doAt(a4,48).
doAt(a10,49).
doAt(a18,50).
doAt(a15,51).
doAt(a9,52).
doAt(a8,53).
doAt(a13,54).
doAt(endflow,55).
doAt(a17,57).
doAt(a6,58).
doAt(a15,59).
doAt(a9,60).
doAt(a8,61).
doAt(a13,62).
doAt(endflow,63).
doAt(a2,65).
doAt(a15,66).
doAt(a9,67).
doAt(a8,68).
doAt(a13,69).
doAt(endflow,70).
compAt(a19,x20,10).
compAt(a3,x12,11).
compAt(a16,x23,14).
compAt(a19,x8,19).
subsAt(a23,9).
subsAt(a16,16).
subsAt(a19,18).
leftrightnexts(58,65).
leftrightnexts(50,57).
leftrightnexts(40,47).
leftrightnexts(31,38).
leftrightnexts(23,30).