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(7,15). 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(24,33). 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(18,51). next(51,52). next(52,53). next(53,54). next(54,55). next(55,56). 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(56,65). 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(76,77). next(77,78). next(78,79). next(79,80). next(80,81). next(81,82). next(16,83). next(83,84). next(84,85). next(85,86). next(86,87). next(87,88). next(88,89). next(89,90). next(90,91). next(91,92). next(92,93). next(93,94). next(87,95). next(95,96). next(96,97). next(97,98). next(98,99). next(99,100). next(100,101). next(101,102). next(102,103). next(103,104). next(104,105). next(105,106). next(106,107). next(107,108). next(108,109). next(109,110). next(110,111). next(111,112). doAt(startflow,6). doAt(a9,7). doAt(a21,8). doAt(a5,10). doAt(a23,12). doAt(endflow,13). doAt(a10,15). doAt(a1,16). doAt(a22,18). doAt(a4,19). doAt(a7,20). doAt(a16,21). doAt(a17,24). doAt(a18,25). doAt(a5,27). doAt(a23,30). doAt(endflow,31). doAt(a25,33). doAt(a13,35). doAt(a6,36). doAt(a11,39). doAt(a3,40). doAt(a20,41). doAt(a12,42). doAt(a2,43). doAt(a19,44). doAt(a5,45). doAt(a23,48). doAt(endflow,49). doAt(a8,51). doAt(a7,52). doAt(a16,53). doAt(a17,56). doAt(a18,57). doAt(a5,59). doAt(a23,62). doAt(endflow,63). doAt(a25,65). doAt(a13,67). doAt(a6,68). doAt(a11,71). doAt(a3,72). doAt(a20,73). doAt(a12,74). doAt(a2,75). doAt(a19,76). doAt(a5,77). doAt(a23,80). doAt(endflow,81). doAt(a14,83). doAt(a15,84). doAt(a7,85). doAt(a16,86). doAt(a17,87). doAt(a18,88). doAt(a5,90). doAt(a23,92). doAt(endflow,93). doAt(a25,95). doAt(a13,97). doAt(a6,98). doAt(a11,101). doAt(a3,102). doAt(a20,103). doAt(a12,105). doAt(a2,106). doAt(a19,107). doAt(a5,108). doAt(a23,110). doAt(endflow,111). compAt(a23,x17,9). compAt(a23,x5,17). compAt(a23,x23,22). compAt(a5,x23,23). compAt(a23,x17,26). compAt(a21,x6,29). compAt(a23,x17,34). compAt(a5,x11,37). compAt(a5,x15,38). compAt(a21,x6,47). compAt(a23,x23,54). compAt(a5,x23,55). compAt(a23,x17,58). compAt(a21,x6,61). compAt(a23,x17,66). compAt(a5,x11,69). compAt(a5,x15,70). compAt(a21,x6,79). compAt(a23,x17,89). compAt(a23,x17,96). compAt(a5,x11,99). compAt(a5,x15,100). compAt(a23,x5,104). subsAt(a23,11). subsAt(a23,28). subsAt(a23,46). subsAt(a23,60). subsAt(a23,78). subsAt(a23,91). subsAt(a23,109). leftrightnexts(25,33). leftrightnexts(57,65). leftrightnexts(19,51). leftrightnexts(88,95). leftrightnexts(17,83). leftrightnexts(8,15).