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(29,30).
next(30,31).
next(31,32).
next(32,33).
next(33,34).
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(57,58).
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).
next(67,68).
next(68,69).
next(69,70).
next(70,71).
next(71,72).
next(72,73).
next(73,74).
next(74,75).
doAt(startflow,20).
doAt(a17,24).
doAt(a20,28).
doAt(a8,33).
doAt(a9,41).
doAt(a11,44).
doAt(a13,45).
doAt(a21,47).
doAt(a12,49).
doAt(a5,51).
doAt(a7,55).
doAt(a1,56).
doAt(a22,57).
doAt(a23,61).
doAt(a25,62).
doAt(a14,63).
doAt(a4,65).
doAt(a3,66).
doAt(a16,67).
doAt(a24,68).
doAt(a10,69).
doAt(a19,70).
doAt(a2,71).
doAt(a6,72).
doAt(a18,73).
doAt(endflow,74).
compAt(a23,x17,21).
compAt(a13,x17,22).
compAt(a9,x17,23).
compAt(a22,x6,25).
compAt(a25,x21,26).
compAt(a25,x22,27).
compAt(a11,x8,29).
compAt(a8,x8,30).
compAt(a11,x3,31).
compAt(a7,x9,32).
compAt(a3,x1,34).
compAt(a25,x1,35).
compAt(a13,x1,36).
compAt(a25,x20,37).
compAt(a22,x20,38).
compAt(a13,x20,39).
compAt(a1,x14,40).
compAt(a7,x7,42).
compAt(a21,x7,43).
compAt(a5,x19,46).
compAt(a23,x17,48).
compAt(a16,x23,52).
compAt(a14,x23,53).
compAt(a22,x23,54).
compAt(a25,x20,58).
compAt(a16,x23,59).
compAt(a14,x23,60).
subsAt(a5,50).
subsAt(a4,64).