Loop of length 36 starting with a string of length 8
found after enumerating 190127 derivations:

.ba.caaaaa
	rule ba -> aac at position 0
.aac.caaaaa
	rule cc -> abcb at position 2
.aaabcb.aaaaa
	rule ba -> aac at position 5
.aaabcaac.aaaa
	rule a ->  at position 5
.aaabcac.aaaa
	rule a ->  at position 5
.aaabcc.aaaa
	rule cc -> abcb at position 4
.aaababcb.aaaa
	rule a ->  at position 4
.aaabbcb.aaaa
	rule ba -> aac at position 6
.aaabbcaac.aaa
	rule a ->  at position 6
.aaabbcac.aaa
	rule a ->  at position 6
.aaabbcc.aaa
	rule cc -> abcb at position 5
.aaabbabcb.aaa
	rule ba -> aac at position 4
.aaabaacbcb.aaa
	rule a ->  at position 4
.aaabacbcb.aaa
	rule ba -> aac at position 8
.aaabacbcaac.aa
	rule a ->  at position 8
.aaabacbcac.aa
	rule a ->  at position 8
.aaabacbcc.aa
	rule cc -> abcb at position 7
.aaabacbabcb.aa
	rule a ->  at position 7
.aaabacbbcb.aa
	rule ba -> aac at position 9
.aaabacbbcaac.a
	rule a ->  at position 9
.aaabacbbcac.a
	rule a ->  at position 9
.aaabacbbcc.a
	rule cc -> abcb at position 8
.aaabacbbabcb.a
	rule ba -> aac at position 7
.aaabacbaacbcb.a
	rule a ->  at position 7
.aaabacbacbcb.a
	rule ba -> aac at position 6
.aaabacaaccbcb.a
	rule cc -> abcb at position 8
.aaabacaaabcbbcb.a
	rule ba -> aac at position 14
.aaabacaaabcbbcaac.
	rule a ->  at position 14
.aaabacaaabcbbcac.
	rule a ->  at position 14
.aaabacaaabcbbcc.
	rule cc -> abcb at position 13
.aaabacaaabcbbabcb.
	rule ba -> aac at position 12
.aaabacaaabcbaacbcb.
	rule ba -> aac at position 11
.aaabacaaabcaacacbcb.
	rule a ->  at position 11
.aaabacaaabcacacbcb.
	rule a ->  at position 11
.aaabacaaabccacbcb.
	rule cc -> abcb at position 10
.aaabacaaababcbacbcb.
	rule ba -> aac at position 9
.aaabacaaaaacbcbacbcb.