198.12/50.69	MAYBE
198.12/50.69	
198.12/50.69	Problem:
198.12/50.69	 a(b(a(a(a(a(a(a(a(x1))))))))) -> a(a(a(a(a(a(a(a(b(a(b(a(b(x1)))))))))))))
198.12/50.69	
198.12/50.69	Proof:
198.12/50.69	 Open
198.12/50.70	EOF