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(13,22). 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(22,33). 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(12,46). 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(50,59). 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(59,68). 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,7). doAt(a25,10). doAt(a24,12). doAt(a14,13). doAt(a23,16). doAt(a11,17). doAt(a8,18). doAt(a7,19). doAt(endflow,20). doAt(a4,22). doAt(a3,23). doAt(a11,24). doAt(a8,26). doAt(a7,27). doAt(endflow,31). doAt(a19,33). doAt(a6,34). doAt(a10,35). doAt(a17,36). doAt(a22,37). doAt(a11,38). doAt(a8,40). doAt(a7,41). doAt(endflow,44). doAt(a9,46). doAt(a18,47). doAt(a13,50). doAt(a5,51). doAt(a11,52). doAt(a8,53). doAt(a7,54). doAt(endflow,57). doAt(a16,59). doAt(a2,60). doAt(a11,61). doAt(a8,62). doAt(a7,63). doAt(endflow,66). doAt(a20,68). doAt(a15,69). doAt(a12,70). doAt(a1,71). doAt(a11,72). doAt(a8,73). doAt(a7,74). doAt(endflow,77). compAt(a11,x22,9). compAt(a11,x3,11). compAt(a23,x8,14). compAt(a23,x10,15). compAt(a23,x18,25). compAt(a23,x8,28). compAt(a23,x10,29). compAt(a23,x25,30). compAt(a23,x18,39). compAt(a23,x10,42). compAt(a23,x25,43). compAt(a23,x25,48). compAt(a11,x20,49). compAt(a23,x8,55). compAt(a23,x10,56). compAt(a23,x8,64). compAt(a23,x10,65). compAt(a23,x8,75). compAt(a23,x10,76). subsAt(a25,8). leftrightnexts(23,33). leftrightnexts(14,22). leftrightnexts(60,68). leftrightnexts(51,59). leftrightnexts(13,46).