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).
next(75,76).
next(76,77).
next(77,78).
doAt(startflow,21).
doAt(a1,25).
doAt(a19,32).
doAt(a25,39).
doAt(a22,41).
doAt(a23,42).
doAt(a17,44).
doAt(a2,46).
doAt(a5,50).
doAt(a11,53).
doAt(a16,55).
doAt(a24,58).
doAt(a15,60).
doAt(a8,62).
doAt(a21,63).
doAt(a4,64).
doAt(a18,68).
doAt(a7,69).
doAt(a3,70).
doAt(a6,71).
doAt(a14,72).
doAt(a12,73).
doAt(a20,74).
doAt(a9,75).
doAt(a10,76).
doAt(endflow,77).
compAt(a21,x2,23).
compAt(a22,x2,24).
compAt(a6,x16,26).
compAt(a7,x16,27).
compAt(a2,x16,28).
compAt(a22,x16,29).
compAt(a8,x10,30).
compAt(a24,x10,31).
compAt(a22,x14,34).
compAt(a4,x1,35).
compAt(a23,x1,36).
compAt(a6,x4,37).
compAt(a3,x4,38).
compAt(a11,x23,40).
compAt(a5,x20,43).
compAt(a21,x25,45).
compAt(a18,x8,47).
compAt(a24,x8,48).
compAt(a7,x18,49).
compAt(a15,x11,52).
compAt(a21,x21,57).
compAt(a8,x10,59).
compAt(a6,x17,61).
compAt(a18,x8,66).
compAt(a7,x22,67).
subsAt(a1,22).
subsAt(a25,33).
subsAt(a11,51).
subsAt(a16,54).
subsAt(a24,56).
subsAt(a18,65).