         Vector0 cleanPos = new Vector0 (i, j);             GameObject bgTile = Instantiate(tilePref, cleanPos, Quaternion.identity) as GameObject;             bgTile.transform.parent = this.transform;             bgTile.name = "( " + i + ", " + j + " )";             int circlesUse = Random.Range(0, circles.Length);             GameObject circle = Instantiate(circles[circlesUse], cleanPos, Quaternion.identity);             circle.transform.parent = this.transform;             circle.name = "( " + i + ", " + j + " )";             