Loop of length 16 starting with a string of length 11
found after enumerating 348475 derivations:

.abac.baccacc
	rule abac -> ccaaaa at position 0
.ccaaaa.baccacc
	rule a -> b at position 3
.ccabaa.baccacc
	rule abac -> ccaaaa at position 5
.ccabaccaaaa.cacc
	rule abac -> ccaaaa at position 2
.ccccaaaacaaaa.cacc
	rule a -> b at position 6
.ccccaabacaaaa.cacc
	rule abac -> ccaaaa at position 5
.ccccaccaaaaaaaa.cacc
	rule a -> b at position 10
.ccccaccaaabaaaa.cacc
	rule a -> b at position 13
.ccccaccaaabaaba.cacc
	rule abac -> ccaaaa at position 12
.ccccaccaaabaccaaaa.acc
	rule abac -> ccaaaa at position 9
.ccccaccaaccaaaacaaaa.acc
	rule a -> b at position 13
.ccccaccaaccaabacaaaa.acc
	rule a -> b at position 16
.ccccaccaaccaabacbaaa.acc
	rule a -> b at position 19
.ccccaccaaccaabacbaab.acc
	rule abac -> ccaaaa at position 18
.ccccaccaaccaabacbaccaaaa.c
	rule a -> b at position 22
.ccccaccaaccaabacbaccaaba.c
	rule abac -> ccaaaa at position 21
.ccccaccaaccaabacbaccaccaaaa.