Loop of length 38 starting with a string of length 7
found after enumerating 33706 derivations:

.ab.bbbbb
	rule ab -> cca at position 0
.cca.bbbbb
	rule ab -> cca at position 2
.cccca.bbbb
	rule ccc -> bbaa at position 0
.bbaaca.bbbb
	rule ab -> cca at position 5
.bbaaccca.bbb
	rule ccc -> bbaa at position 4
.bbaabbaaa.bbb
	rule ab -> cca at position 8
.bbaabbaacca.bb
	rule ab -> cca at position 10
.bbaabbaacccca.b
	rule ccc -> bbaa at position 8
.bbaabbaabbaaca.b
	rule ab -> cca at position 7
.bbaabbaccabaaca.b
	rule ab -> cca at position 9
.bbaabbaccccaaaca.b
	rule ccc -> bbaa at position 7
.bbaabbabbaacaaaca.b
	rule ab -> cca at position 6
.bbaabbccabaacaaaca.b
	rule ab -> cca at position 8
.bbaabbccccaaacaaaca.b
	rule ccc -> bbaa at position 6
.bbaabbbbaacaaacaaaca.b
	rule ab -> cca at position 19
.bbaabbbbaacaaacaaaccca.
	rule ccc -> bbaa at position 18
.bbaabbbbaacaaacaaabbaaa.
	rule ab -> cca at position 17
.bbaabbbbaacaaacaaccabaaa.
	rule ab -> cca at position 19
.bbaabbbbaacaaacaaccccaaaa.
	rule ccc -> bbaa at position 17
.bbaabbbbaacaaacaabbaacaaaa.
	rule ab -> cca at position 16
.bbaabbbbaacaaacaccabaacaaaa.
	rule ab -> cca at position 18
.bbaabbbbaacaaacaccccaaacaaaa.
	rule ccc -> bbaa at position 16
.bbaabbbbaacaaacabbaacaaacaaaa.
	rule ab -> cca at position 15
.bbaabbbbaacaaacccabaacaaacaaaa.
	rule ccc -> bbaa at position 14
.bbaabbbbaacaaabbaaabaacaaacaaaa.
	rule ab -> cca at position 13
.bbaabbbbaacaaccabaaabaacaaacaaaa.
	rule ab -> cca at position 15
.bbaabbbbaacaaccccaaaabaacaaacaaaa.
	rule ccc -> bbaa at position 13
.bbaabbbbaacaabbaacaaaabaacaaacaaaa.
	rule ab -> cca at position 12
.bbaabbbbaacaccabaacaaaabaacaaacaaaa.
	rule ab -> cca at position 14
.bbaabbbbaacaccccaaacaaaabaacaaacaaaa.
	rule ccc -> bbaa at position 12
.bbaabbbbaacabbaacaaacaaaabaacaaacaaaa.
	rule ab -> cca at position 11
.bbaabbbbaacccabaacaaacaaaabaacaaacaaaa.
	rule ccc -> bbaa at position 10
.bbaabbbbaabbaaabaacaaacaaaabaacaaacaaaa.
	rule ab -> cca at position 9
.bbaabbbbaccabaaabaacaaacaaaabaacaaacaaaa.
	rule ab -> cca at position 11
.bbaabbbbaccccaaaabaacaaacaaaabaacaaacaaaa.
	rule ccc -> bbaa at position 9
.bbaabbbbabbaacaaaabaacaaacaaaabaacaaacaaaa.
	rule ab -> cca at position 8
.bbaabbbbccabaacaaaabaacaaacaaaabaacaaacaaaa.
	rule ab -> cca at position 10
.bbaabbbbccccaaacaaaabaacaaacaaaabaacaaacaaaa.
	rule ccc -> bbaa at position 8
.bbaabbbbbbaacaaacaaaabaacaaacaaaabaacaaacaaaa.