MAYBE
301.60/76.26	MAYBE
301.60/76.26	
301.60/76.26	Problem:
301.60/76.26	 a(a(s(s(x1)))) -> s(s(a(a(x1))))
301.60/76.26	 b(b(a(a(b(b(s(s(x1)))))))) -> a(a(b(b(s(s(a(a(x1))))))))
301.60/76.26	 b(b(a(a(b(b(b(b(x1)))))))) -> a(a(b(b(a(a(b(b(x1))))))))
301.60/76.26	 a(a(b(b(a(a(a(a(x1)))))))) -> b(b(a(a(b(b(a(a(x1))))))))
301.60/76.26	
301.60/76.26	Proof:
301.60/76.26	 Open
301.60/76.26	EOF