Unity C# shuffle object

Unity C# shuffle object must have location object

	public GameObject[] locations;
	public GameObject[] tiles;

	List<int> Num = new List<int>();
	int setTo;
	int index;
	// Use this for initialization
	void Start () {

		for (int i = 1; i < 17; i++) {
			pickNumber ();
			tiles [setTo].GetComponent<Transform> ().transform.position = locations [i].GetComponent<Transform>().transform.position;

		}
	}

	void pickNumber(){
		index = 0;
		while (index == 0) {
			setTo = Random.Range (1, 17);

			if (!Num.Contains (setTo)) {
				Num.Add (setTo);
				index = 1;
			} else
				index = 0;

		}