723.38/299.37	MAYBE
723.38/299.37	
723.38/299.37	Problem:
723.38/299.37	 strict:
723.38/299.37	  b(b(a(x1))) -> b(a(a(x1)))
723.38/299.37	  c(c(a(x1))) -> c(b(c(x1)))
723.38/299.37	 weak:
723.38/299.37	  c(b(c(x1))) -> b(a(a(x1)))
723.38/299.37	  c(c(c(x1))) -> c(a(a(x1)))
723.38/299.37	  a(b(b(x1))) -> b(c(c(x1)))
723.38/299.37	  c(a(a(x1))) -> b(a(b(x1)))
723.38/299.37	
723.38/299.37	Proof:
723.38/299.37	 Open
723.38/299.37	EOF