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(9,17). 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(8,29). 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(36,44). 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(34,56). 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(63,70). 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(a16,8). doAt(a4,9). doAt(a21,10). doAt(a6,12). doAt(a8,13). doAt(a5,14). doAt(endflow,15). doAt(a19,17). doAt(a24,18). doAt(a6,21). doAt(a8,22). doAt(a5,23). doAt(endflow,27). doAt(a3,30). doAt(a23,32). doAt(a18,33). doAt(a14,34). doAt(a7,35). doAt(a17,36). doAt(a11,37). doAt(a6,38). doAt(a8,39). doAt(a5,40). doAt(endflow,42). doAt(a15,44). doAt(a1,45). doAt(a20,46). doAt(a2,49). doAt(a6,50). doAt(a8,51). doAt(a5,52). doAt(endflow,54). doAt(a9,57). doAt(a13,59). doAt(a25,60). doAt(a10,61). doAt(a12,62). doAt(a17,63). doAt(a11,64). doAt(a6,65). doAt(a8,66). doAt(a5,67). doAt(endflow,68). doAt(a15,70). doAt(a1,71). doAt(a20,72). doAt(a2,73). doAt(a6,74). doAt(a8,75). doAt(a5,76). doAt(endflow,77). compAt(a6,x9,11). compAt(a6,x9,19). compAt(a21,x9,20). compAt(a21,x12,24). compAt(a21,x14,25). compAt(a21,x18,26). compAt(a21,x12,29). compAt(a21,x14,31). compAt(a21,x18,41). compAt(a6,x9,47). compAt(a21,x9,48). compAt(a21,x18,53). compAt(a8,x23,56). compAt(a21,x18,58). leftrightnexts(10,17). leftrightnexts(37,44). leftrightnexts(64,70). leftrightnexts(35,56). leftrightnexts(9,29).