Thanks Steven! I am enjoying this site and links. Thanks for sharing.
"Steven H. Cullinane" wrote:
> A new online puzzle that displays many of the graphic designs popular in
> quilts and other decorative arts, The Diamond 16 Puzzle, appears at
> To solve the puzzle, you rearrange rows, columns, and quadrants in a 4x4
> array of two-color square tiles. In the process, you create a variety of
> symmetric designs. A link to the underlying math is provided.
> -- Best to all, m759 (Steve Cullinane), a new subscriber.