Loop of length 9 starting with a string of length 4
found after enumerating 727 derivations:

.ba.aa
	rule ba -> aabcb at position 0
.aabcb.aa
	rule ba -> aabcb at position 4
.aabcaabcb.a
	rule a ->  at position 4
.aabcabcb.a
	rule a ->  at position 4
.aabcbcb.a
	rule b -> a at position 4
.aabcacb.a
	rule a ->  at position 4
.aabccb.a
	rule cc ->  at position 3
.aabb.a
	rule ba -> aabcb at position 3
.aabaabcb.
	rule b -> a at position 5
.aabaaacb.