Loop of length 29 starting with a string of length 11
found after enumerating 40085 derivations:

.ba.acbcbcbcb
	rule ba -> acb at position 0
.acb.acbcbcbcb
	rule ba -> acb at position 2
.acacb.cbcbcbcb
	rule a ->  at position 2
.accb.cbcbcbcb
	rule ccb -> abc at position 1
.aabc.cbcbcbcb
	rule ccb -> abc at position 3
.aababc.cbcbcb
	rule ccb -> abc at position 5
.aabababc.cbcb
	rule ba -> acb at position 4
.aabaacbbc.cbcb
	rule ccb -> abc at position 8
.aabaacbbabc.cb
	rule ba -> acb at position 7
.aabaacbacbbc.cb
	rule ba -> acb at position 6
.aabaacacbcbbc.cb
	rule a ->  at position 6
.aabaaccbcbbc.cb
	rule ccb -> abc at position 11
.aabaaccbcbbabc.
	rule ba -> acb at position 10
.aabaaccbcbacbbc.
	rule ba -> acb at position 9
.aabaaccbcacbcbbc.
	rule a ->  at position 9
.aabaaccbccbcbbc.
	rule ccb -> abc at position 8
.aabaaccbabccbbc.
	rule ba -> acb at position 7
.aabaaccacbbccbbc.
	rule a ->  at position 7
.aabaacccbbccbbc.
	rule ccb -> abc at position 10
.aabaacccbbabcbc.
	rule ba -> acb at position 9
.aabaacccbacbbcbc.
	rule ba -> acb at position 8
.aabaacccacbcbbcbc.
	rule a ->  at position 8
.aabaaccccbcbbcbc.
	rule ccb -> abc at position 7
.aabaaccabccbbcbc.
	rule a ->  at position 7
.aabaaccbccbbcbc.
	rule ccb -> abc at position 8
.aabaaccbabcbcbc.
	rule ba -> acb at position 7
.aabaaccacbbcbcbc.
	rule a ->  at position 7
.aabaacccbbcbcbc.
	rule ccb -> abc at position 6
.aabaacabcbcbcbc.
	rule a ->  at position 6
.aabaacbcbcbcbc.