Loop of length 24 starting with a string of length 10
found after enumerating 325650 derivations:

.cbab.ababab
	rule cbab -> aaacca at position 0
.aaacca.ababab
	rule a -> b at position 5
.aaaccb.ababab
	rule cbab -> aaacca at position 4
.aaacaaacca.abab
	rule a -> b at position 4
.aaacbaacca.abab
	rule a -> b at position 6
.aaacbabcca.abab
	rule a -> b at position 9
.aaacbabccb.abab
	rule cbab -> aaacca at position 8
.aaacbabcaaacca.ab
	rule a -> b at position 8
.aaacbabcbaacca.ab
	rule a -> b at position 10
.aaacbabcbabcca.ab
	rule cbab -> aaacca at position 7
.aaacbabaaaccacca.ab
	rule a -> b at position 8
.aaacbababaccacca.ab
	rule a -> b at position 12
.aaacbababaccbcca.ab
	rule a -> b at position 15
.aaacbababaccbccb.ab
	rule cbab -> aaacca at position 14
.aaacbababaccbcaaacca.
	rule a -> b at position 14
.aaacbababaccbcbaacca.
	rule a -> b at position 16
.aaacbababaccbcbabcca.
	rule cbab -> aaacca at position 13
.aaacbababaccbaaaccacca.
	rule a -> b at position 14
.aaacbababaccbabaccacca.
	rule cbab -> aaacca at position 11
.aaacbababacaaaccaaccacca.
	rule a -> b at position 11
.aaacbababacbaaccaaccacca.
	rule a -> b at position 13
.aaacbababacbabccaaccacca.
	rule cbab -> aaacca at position 10
.aaacbababaaaaccaccaaccacca.
	rule a -> b at position 10
.aaacbabababaaccaccaaccacca.
	rule a -> b at position 12
.aaacbababababccaccaaccacca.