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(19,23). next(23,24). next(24,25). next(25,26). next(26,27). next(27,28). next(28,29). next(18,30). next(30,31). next(31,32). next(10,33). 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(49,53). next(53,54). next(54,55). next(55,56). next(56,57). next(57,58). next(58,59). next(48,60). next(60,61). next(61,62). next(40,63). 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(73,77). next(77,78). next(78,79). next(79,80). next(80,81). next(81,82). next(82,83). next(72,84). next(84,85). next(85,86). doAt(startflow,7). doAt(a3,8). doAt(a20,10). doAt(a4,11). doAt(a23,14). doAt(a19,15). doAt(a1,16). doAt(a6,17). doAt(a14,18). doAt(a8,19). doAt(a5,20). doAt(endflow,21). doAt(a2,23). doAt(a21,24). doAt(a16,25). doAt(a25,26). doAt(a24,27). doAt(endflow,28). doAt(a18,30). doAt(endflow,31). doAt(a12,34). doAt(a10,38). doAt(a7,39). doAt(a22,40). doAt(a17,41). doAt(a23,44). doAt(a19,45). doAt(a1,46). doAt(a6,47). doAt(a14,48). doAt(a8,49). doAt(a5,50). doAt(endflow,51). doAt(a2,53). doAt(a21,54). doAt(a16,55). doAt(a25,56). doAt(a24,57). doAt(endflow,58). doAt(a18,60). doAt(endflow,61). doAt(a11,63). doAt(a13,64). doAt(a9,65). doAt(a23,68). doAt(a19,69). doAt(a1,70). doAt(a6,71). doAt(a14,72). doAt(a8,73). doAt(a5,74). doAt(endflow,75). doAt(a2,77). doAt(a21,78). doAt(a16,79). doAt(a25,80). doAt(a24,81). doAt(endflow,82). doAt(a18,84). doAt(endflow,85). compAt(a19,x19,9). compAt(a23,x3,12). compAt(a23,x15,13). compAt(a19,x4,33). compAt(a4,x12,35). compAt(a19,x9,36). compAt(a23,x9,37). compAt(a23,x3,42). compAt(a23,x15,43). compAt(a23,x3,66). compAt(a23,x15,67). leftrightnexts(20,23). leftrightnexts(19,30). leftrightnexts(50,53). leftrightnexts(49,60). leftrightnexts(74,77). leftrightnexts(73,84). leftrightnexts(41,63). leftrightnexts(11,33).