198.62/50.50	MAYBE
198.62/50.50	
198.62/50.50	Problem:
198.62/50.50	 0(0(0(0(x1)))) -> 1(0(1(1(x1))))
198.62/50.50	 1(0(0(1(x1)))) -> 0(0(1(0(x1))))
198.62/50.50	
198.62/50.50	Proof:
198.62/50.50	 Open
198.62/50.50	EOF