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(17,27). 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(47,56). 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(57,65). 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(66,74). next(74,75). next(75,76). next(76,77). next(77,78). next(78,79). next(79,80). next(80,81). next(81,82). next(82,83). next(83,84). doAt(startflow,10). doAt(a5,12). doAt(a4,14). doAt(a8,15). doAt(a29,17). doAt(a20,18). doAt(a6,21). doAt(a18,23). doAt(a32,24). doAt(endflow,25). doAt(a2,27). doAt(a17,28). doAt(a3,29). doAt(a12,30). doAt(a19,32). doAt(a7,34). doAt(a22,35). doAt(a38,36). doAt(a30,37). doAt(a34,40). doAt(a37,41). doAt(a13,42). doAt(a14,43). doAt(a23,44). doAt(a33,45). doAt(a28,46). doAt(a16,47). doAt(a15,48). doAt(a39,49). doAt(a18,51). doAt(a32,52). doAt(endflow,54). doAt(a40,56). doAt(a10,57). doAt(a25,58). doAt(a18,60). doAt(a32,61). doAt(endflow,63). doAt(a1,65). doAt(a31,66). doAt(a24,67). doAt(a18,69). doAt(a32,70). doAt(endflow,72). doAt(a26,74). doAt(a21,75). doAt(a27,76). doAt(a36,77). doAt(a9,78). doAt(a11,79). doAt(a18,81). doAt(a32,82). doAt(endflow,83). compAt(a5,x6,11). compAt(a6,x13,16). compAt(a6,x25,19). compAt(a18,x3,20). compAt(a20,x31,31). compAt(a32,x4,33). compAt(a6,x27,38). compAt(a20,x27,39). compAt(a20,x16,53). compAt(a20,x16,62). compAt(a20,x16,71). subsAt(a4,13). subsAt(a18,22). subsAt(a18,50). subsAt(a18,59). subsAt(a18,68). subsAt(a18,80). leftrightnexts(67,74). leftrightnexts(58,65). leftrightnexts(48,56). leftrightnexts(18,27).