Loop of length 16 starting with a string of length 9
found after enumerating 111537 derivations:

.cba.bababa
	rule cba -> aaaacc at position 0
.aaaacc.bababa
	rule cba -> aaaacc at position 5
.aaaacaaaacc.baba
	rule aa -> b at position 5
.aaaacbaacc.baba
	rule cba -> aaaacc at position 9
.aaaacbaacaaaacc.ba
	rule aa -> b at position 9
.aaaacbaacbaacc.ba
	rule cba -> aaaacc at position 8
.aaaacbaaaaaaccacc.ba
	rule aa -> b at position 7
.aaaacbabaaaccacc.ba
	rule aa -> b at position 9
.aaaacbababccacc.ba
	rule cba -> aaaacc at position 14
.aaaacbababccacaaaacc.
	rule aa -> b at position 14
.aaaacbababccacbaacc.
	rule cba -> aaaacc at position 13
.aaaacbababccaaaaaccacc.
	rule aa -> b at position 12
.aaaacbababccbaaaccacc.
	rule cba -> aaaacc at position 11
.aaaacbababcaaaaccaaccacc.
	rule aa -> b at position 11
.aaaacbababcbaaccaaccacc.
	rule cba -> aaaacc at position 10
.aaaacbababaaaaccaccaaccacc.
	rule aa -> b at position 11
.aaaacbabababaccaccaaccacc.