| The Diamond 16 PuzzleChange the pair of patterns at right to any of the pairs at left. (The
original pair is at top left.)To change the patterns, click on a row, then click on
the row you want to move it to. Do the same for other rows, columns, or quadrants.
 You can make 322,560 pairs of patterns. Each pair
pictures a
different symmetry of the underlying 16-point space.  |