compoundrule.wrong (201B)
1 ba 2 aaabaaa 3 bbaaa 4 aaaaba 5 bbbbbaa 6 aa 7 aaa 8 aaaa 9 ab 10 aab 11 aaab 12 aaaab 13 abb 14 aabb 15 aaabbb 16 bb 17 bbb 18 bbbb 19 aaab 20 abcc 21 abbc 22 abbcc 23 aabc 24 aabcc 25 aabbc 26 aabbcc 27 aaabbbccc 28 ac 29 aac 30 aacc 31 aaaccc 32 bc 33 bcc 34 bbc 35 bbcc 36 bbbccc 37 cc 38 ccc 39 cccccc