726.78/299.38	MAYBE
726.78/299.38	
726.78/299.38	Problem:
726.78/299.38	 strict:
726.78/299.38	  b(b(a(x1))) -> c(c(b(x1)))
726.78/299.38	 weak:
726.78/299.38	  b(a(b(x1))) -> a(a(c(x1)))
726.78/299.38	  c(a(a(x1))) -> a(a(a(x1)))
726.78/299.38	  c(a(a(x1))) -> b(b(b(x1)))
726.78/299.38	  c(b(b(x1))) -> b(b(c(x1)))
726.78/299.38	  a(b(b(x1))) -> c(a(c(x1)))
726.78/299.38	
726.78/299.38	Proof:
726.78/299.38	 Open
726.78/299.38	EOF