FIG. 1 is a perspective view of a tile, showing the present design; FIG. 2 is a top view of the tile in FIG. 1; FIG. 3 is a bottom view of the tile in FIG. 1; FIG. 4 is a front view of the tile in FIG. 1; FIG. 5 is a rear view of the tile in FIG. 1; FIG. 6 is a left view of the tile in FIG. 1; and, FIG. 7 is a right view of the tile in FIG. 1.