Loop of length 16 starting with a string of length 11
found after enumerating 301246 derivations:

.a.aacaaccacc
	rule a -> b at position 0
.b.aacaaccacc
	rule baac -> ccaaaa at position 0
.ccaaaa.aaccacc
	rule a -> b at position 2
.ccbaaa.aaccacc
	rule a -> b at position 5
.ccbaab.aaccacc
	rule baac -> ccaaaa at position 5
.ccbaaccaaaa.cacc
	rule baac -> ccaaaa at position 2
.ccccaaaacaaaa.cacc
	rule a -> b at position 5
.ccccabaacaaaa.cacc
	rule baac -> ccaaaa at position 5
.ccccaccaaaaaaaa.cacc
	rule a -> b at position 9
.ccccaccaabaaaaa.cacc
	rule a -> b at position 12
.ccccaccaabaabaa.cacc
	rule baac -> ccaaaa at position 12
.ccccaccaabaaccaaaa.acc
	rule baac -> ccaaaa at position 9
.ccccaccaaccaaaacaaaa.acc
	rule a -> b at position 18
.ccccaccaaccaaaacaaba.acc
	rule baac -> ccaaaa at position 18
.ccccaccaaccaaaacaaccaaaa.c
	rule a -> b at position 21
.ccccaccaaccaaaacaaccabaa.c
	rule baac -> ccaaaa at position 21
.ccccaccaaccaaaacaaccaccaaaa.