198.48/50.54	MAYBE
198.48/50.54	
198.48/50.54	Problem:
198.48/50.54	 a(b(c(b(a(a(a(a(a(x1))))))))) -> a(a(a(a(a(a(b(c(b(a(b(c(b(x1)))))))))))))
198.48/50.54	
198.48/50.54	Proof:
198.48/50.54	 Open
198.48/50.54	EOF