727.80/299.38	MAYBE
727.80/299.38	
727.80/299.38	Problem:
727.80/299.38	 strict:
727.80/299.38	  c(b(c(x1))) -> a(c(b(x1)))
727.80/299.38	  b(b(a(x1))) -> c(b(c(x1)))
727.80/299.38	  c(c(b(x1))) -> c(a(a(x1)))
727.80/299.38	 weak:
727.80/299.38	  b(b(b(x1))) -> c(c(b(x1)))
727.80/299.38	  a(c(a(x1))) -> b(b(c(x1)))
727.80/299.38	  a(c(c(x1))) -> a(b(c(x1)))
727.80/299.38	  c(c(b(x1))) -> c(a(a(x1)))
727.80/299.38	
727.80/299.38	Proof:
727.80/299.38	 Open
727.80/299.39	EOF