711.61/299.38	MAYBE
711.61/299.38	
711.61/299.38	Problem:
711.61/299.38	 strict:
711.61/299.38	  b(b(c(x1))) -> c(a(b(x1)))
711.61/299.38	 weak:
711.61/299.38	  a(a(c(x1))) -> b(b(b(x1)))
711.61/299.38	  a(b(b(x1))) -> b(a(c(x1)))
711.61/299.38	  a(c(a(x1))) -> b(a(b(x1)))
711.61/299.38	  a(c(c(x1))) -> b(c(b(x1)))
711.61/299.38	  b(c(c(x1))) -> b(a(b(x1)))
711.61/299.38	
711.61/299.38	Proof:
711.61/299.38	 Open
711.61/299.39	EOF