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(26,35). 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(36,45). 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(20,57). 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(68,77). next(77,78). next(78,79). next(79,80). next(80,81). next(81,82). next(82,83). next(83,84). next(84,85). next(85,86). next(78,87). next(87,88). next(88,89). next(89,90). next(90,91). next(91,92). next(92,93). next(93,94). next(94,95). next(95,96). next(96,97). next(97,98). doAt(startflow,8). doAt(a13,9). doAt(a14,11). doAt(a3,12). doAt(a17,15). doAt(a20,16). doAt(a8,19). doAt(a28,20). doAt(a15,21). doAt(a2,22). doAt(a4,23). doAt(a31,24). doAt(a33,25). doAt(a23,26). doAt(a9,27). doAt(a34,28). doAt(a32,29). doAt(a30,30). doAt(a29,31). doAt(a21,32). doAt(endflow,33). doAt(a27,35). doAt(a1,36). doAt(a6,37). doAt(a34,38). doAt(a32,39). doAt(a30,40). doAt(a29,41). doAt(a21,42). doAt(endflow,43). doAt(a19,45). doAt(a11,46). doAt(a16,47). doAt(a10,48). doAt(a22,49). doAt(a34,50). doAt(a32,51). doAt(a30,52). doAt(a29,53). doAt(a21,54). doAt(endflow,55). doAt(a12,57). doAt(a25,58). doAt(a7,59). doAt(a24,60). doAt(a26,61). doAt(a5,62). doAt(a18,63). doAt(a2,64). doAt(a4,65). doAt(a31,66). doAt(a33,67). doAt(a23,68). doAt(a9,69). doAt(a34,70). doAt(a32,71). doAt(a30,72). doAt(a29,73). doAt(a21,74). doAt(endflow,75). doAt(a27,77). doAt(a1,78). doAt(a6,79). doAt(a34,80). doAt(a32,81). doAt(a30,82). doAt(a29,83). doAt(a21,84). doAt(endflow,85). doAt(a19,87). doAt(a11,88). doAt(a16,89). doAt(a10,90). doAt(a22,91). doAt(a34,92). doAt(a32,93). doAt(a30,94). doAt(a29,95). doAt(a21,96). doAt(endflow,97). compAt(a20,x21,13). compAt(a17,x21,14). compAt(a8,x14,18). subsAt(a14,10). subsAt(a8,17). leftrightnexts(37,45). leftrightnexts(27,35). leftrightnexts(79,87). leftrightnexts(69,77). leftrightnexts(21,57).