196.27/50.23	MAYBE
196.27/50.23	
196.27/50.23	Problem:
196.27/50.23	 a(x1) -> b(x1)
196.27/50.23	 a(b(b(c(x1)))) -> b(c(c(a(a(a(x1))))))
196.27/50.23	
196.27/50.23	Proof:
196.27/50.23	 Open
196.45/50.23	EOF