807.70/299.40	MAYBE
807.70/299.40	
807.70/299.40	Problem:
807.70/299.40	 strict:
807.70/299.40	  a(a(b(b(a(a(x1)))))) -> a(a(b(b(b(b(a(a(x1))))))))
807.70/299.40	  b(b(a(a(b(b(x1)))))) -> b(b(a(a(a(a(b(b(x1))))))))
807.70/299.40	 weak:
807.70/299.40	  a(a(x1)) -> a(a(a(a(a(a(x1))))))
807.70/299.40	  b(b(x1)) -> b(b(b(b(b(b(x1))))))
807.70/299.40	
807.70/299.40	Proof:
807.70/299.40	 Open
807.86/299.40	EOF