197.04/50.51	MAYBE
197.04/50.51	
197.04/50.51	Problem:
197.04/50.51	 a(a(b(b(a(a(a(a(a(x1))))))))) -> a(a(a(a(a(a(a(b(b(a(a(a(b(b(x1))))))))))))))
197.04/50.51	
197.04/50.51	Proof:
197.04/50.51	 Open
197.04/50.51	EOF