196.98/50.36	MAYBE
196.98/50.36	
196.98/50.36	Problem:
196.98/50.36	 a(a(a(x1))) -> a(b(b(b(x1))))
196.98/50.36	 b(b(a(b(x1)))) -> a(a(a(x1)))
196.98/50.36	
196.98/50.36	Proof:
196.98/50.36	 Open
196.98/50.37	EOF