197.01/50.42	MAYBE
197.01/50.42	
197.01/50.42	Problem:
197.01/50.42	 a(b(a(a(a(a(a(x1))))))) -> a(a(a(a(a(a(b(a(a(b(a(a(a(b(x1))))))))))))))
197.01/50.42	
197.01/50.42	Proof:
197.01/50.42	 Open
197.01/50.42	EOF