 
 		keys.removeAllObjects()
 
-		iterator.enumerateKeysWithPrefix("101", usingBlock: { (key, stop) -> Void in
+		iterator.enumerateKeysWithPrefix("42", usingBlock: { (key, stop) -> Void in
 			keys.addObject(key)
 		})
 


		keys.removeAllObjects()

		iterator.enumerateKeysWithPrefix("101", usingBlock: { (key, stop) -> Void in
			keys.addObject(key)
		})


			let res = sub1.compare(sub2)
			switch res {
			case .OrderedAscending:
					return -1
			case .OrderedDescending:
					return 1
			case .OrderedSame:
					return 0
			}
