0.00/0.42 NO 0.00/0.43 0.00/0.43 0.00/0.43 The system was reversed. 0.00/0.43 0.00/0.43 Remains to prove termination of the 2-rule system 0.00/0.43 { 0 0 0 0 -> 1 0 1 0 , 0.00/0.43 1 0 0 1 -> 0 0 1 0 } 0.00/0.43 0.00/0.43 0.00/0.43 Loop of length 27 starting with a string of length 15 using right expansion 0.00/0.43 and the encoding {0=a, 1=b}: 0.00/0.43 0.00/0.43 .aaaa.ababbababaa 0.00/0.43 rule aaaa -> baba at position 0 0.00/0.43 .baba.ababbababaa 0.00/0.43 rule baab -> aaba at position 2 0.00/0.43 .baaaba.abbababaa 0.00/0.43 rule baab -> aaba at position 4 0.00/0.43 .baaaaaba.bababaa 0.00/0.43 rule aaaa -> baba at position 1 0.00/0.43 .bbabaaba.bababaa 0.00/0.43 rule baab -> aaba at position 3 0.00/0.43 .bbaaabaa.bababaa 0.00/0.43 rule baab -> aaba at position 5 0.00/0.43 .bbaaaaaba.ababaa 0.00/0.43 rule aaaa -> baba at position 2 0.00/0.43 .bbbabaaba.ababaa 0.00/0.43 rule baab -> aaba at position 7 0.00/0.43 .bbbabaaaaba.abaa 0.00/0.43 rule baab -> aaba at position 9 0.00/0.43 .bbbabaaaaaaba.aa 0.00/0.43 rule aaaa -> baba at position 7 0.00/0.43 .bbbabaabababa.aa 0.00/0.43 rule baab -> aaba at position 4 0.00/0.43 .bbbaaabaababa.aa 0.00/0.43 rule baab -> aaba at position 6 0.00/0.43 .bbbaaaaabaaba.aa 0.00/0.43 rule baab -> aaba at position 8 0.00/0.43 .bbbaaaaaaabaa.aa 0.00/0.43 rule aaaa -> baba at position 5 0.00/0.43 .bbbaababaabaa.aa 0.00/0.43 rule baab -> aaba at position 2 0.00/0.43 .bbaabaabaabaa.aa 0.00/0.43 rule baab -> aaba at position 1 0.00/0.43 .baabaaabaabaa.aa 0.00/0.43 rule baab -> aaba at position 0 0.00/0.43 .aabaaaabaabaa.aa 0.00/0.43 rule baab -> aaba at position 7 0.00/0.43 .aabaaaaaabaaa.aa 0.00/0.43 rule aaaa -> baba at position 5 0.00/0.43 .aabaabababaaa.aa 0.00/0.43 rule baab -> aaba at position 2 0.00/0.43 .aaaabaababaaa.aa 0.00/0.43 rule baab -> aaba at position 4 0.00/0.43 .aaaaaabaabaaa.aa 0.00/0.43 rule baab -> aaba at position 6 0.00/0.43 .aaaaaaaabaaaa.aa 0.00/0.43 rule aaaa -> baba at position 11 0.00/0.43 .aaaaaaaabaababa. 0.00/0.43 rule baab -> aaba at position 8 0.00/0.43 .aaaaaaaaaabaaba. 0.00/0.43 rule aaaa -> baba at position 5 0.00/0.43 .aaaaababaabaaba. 0.00/0.43 rule baab -> aaba at position 10 0.00/0.43 .aaaaababaaaabaa. 0.00/0.43 rule aaaa -> baba at position 8 0.00/0.43 .aaaaababbababaa. 0.00/0.46 EOF