Door mat with centered area and surrounding grooves

FIG. 1 is a top view of a door mat with centered area and surrounding grooves showing my new design;

FIG. 2 is a bottom view thereof, shown to be plain and unornamented;

FIG. 3 is a side view thereof taken from the right of FIG. 1 , the unshown opposite side being of identical appearance;

FIG. 4 is a front view thereof taken from the bottom of FIG. 1 , the unshown opposite rear view being of identical appearance; and,

FIG. 5 is a fragmentary perspective top view thereof.