196.54/50.35	MAYBE
196.54/50.35	
196.54/50.35	Problem:
196.54/50.35	 b(a(b(a(b(a(a(x1))))))) -> a(a(a(a(b(a(b(a(b(a(b(a(x1))))))))))))
196.54/50.35	
196.54/50.35	Proof:
196.54/50.35	 Open
196.54/50.35	EOF