197.66/50.59	MAYBE
197.66/50.59	
197.66/50.59	Problem:
197.66/50.59	 b(a(a(b(b(a(a(b(a(x1))))))))) -> a(a(b(b(a(a(b(a(a(b(b(a(x1))))))))))))
197.66/50.59	
197.66/50.59	Proof:
197.66/50.59	 Open
197.66/50.60	EOF