197.48/50.53	MAYBE
197.48/50.53	
197.48/50.53	Problem:
197.48/50.53	 a(a(a(b(a(a(a(a(a(x1))))))))) -> a(a(a(a(a(a(a(a(b(a(a(a(b(x1)))))))))))))
197.48/50.53	
197.48/50.53	Proof:
197.48/50.53	 Open
197.48/50.53	EOF