725.91/299.38	MAYBE
725.91/299.39	
725.91/299.39	Problem:
725.91/299.39	 strict:
725.91/299.39	  c(a(c(x1))) -> b(c(a(x1)))
725.91/299.39	  b(a(a(x1))) -> b(b(a(x1)))
725.91/299.39	  b(a(b(x1))) -> c(b(c(x1)))
725.91/299.39	  a(b(a(x1))) -> c(c(a(x1)))
725.91/299.39	 weak:
725.91/299.39	  c(b(b(x1))) -> a(c(c(x1)))
725.91/299.39	  c(b(b(x1))) -> b(c(c(x1)))
725.91/299.39	  b(c(c(x1))) -> c(a(a(x1)))
725.91/299.39	
725.91/299.39	Proof:
725.91/299.39	 Open
725.91/299.39	EOF