We claim the ornamental design for the domino orienting center piece, as shown and described.
FIG. 1 is a perspective view of a domino orienting center piece of our
invention, wherein the dominos appearing in FIG. 1 the broken lines are
not part of the design;
FIG. 2 is a top plan view of our invention, wherein the bottom view is
identical in appearance;
FIG. 3 is a front side plan view of our invention, wherein the back view is
identical in appearance; and,
FIG. 4 is a left end view of our invention, wherein the right end view is
identical in appearance.