198.36/50.69	MAYBE
198.36/50.69	
198.36/50.69	Problem:
198.36/50.69	 0(0(0(0(x1)))) -> 0(1(1(1(x1))))
198.36/50.69	 1(0(0(1(x1)))) -> 0(0(1(0(x1))))
198.36/50.69	
198.36/50.69	Proof:
198.36/50.69	 Open
198.36/50.70	EOF