727.80/299.39	MAYBE
727.80/299.39	
727.80/299.39	Problem:
727.80/299.39	 strict:
727.80/299.39	  b(b(b(x1))) -> c(a(a(x1)))
727.80/299.39	  b(b(c(x1))) -> b(b(b(x1)))
727.80/299.39	 weak:
727.80/299.39	  a(b(a(x1))) -> a(b(a(x1)))
727.80/299.39	  c(c(a(x1))) -> c(c(c(x1)))
727.80/299.39	  c(a(a(x1))) -> b(a(b(x1)))
727.80/299.39	  c(a(c(x1))) -> b(a(c(x1)))
727.80/299.39	
727.80/299.39	Proof:
727.80/299.39	 Open
727.80/299.40	EOF