This is a text description of mm_cbr7.gif.
This illustration contains two squares, side by side, and separated by a distance half their width. The left square is black and the right square is white. Each contains a small red or blue square positioned left of center, that is about one-twelfth the size of the square within which it resides.
The left-most black square contains a small red square positioned left of center.
The right-most white square contains a small blue square positioned left of center.