197.54/50.57	MAYBE
197.54/50.57	
197.54/50.57	Problem:
197.54/50.57	 a(b(b(a(b(b(a(a(a(a(a(x1))))))))))) -> a(a(a(a(a(a(b(b(a(b(b(a(b(b(x1))))))))))))))
197.54/50.57	
197.54/50.57	Proof:
197.54/50.57	 Open
197.54/50.58	EOF