Abstract
I present the results of an exploration of color distribution and topological equivalences with a set of 9 unique
edge-colored square tiles using 4 colors, harkening back to Major Percy MacMahon’s Three-Color Squares as
described in his New Mathematical Pastimes, 1921. The delight of such a puzzle is the artistic surprise that each
new solution brings. You could call it “math as moveable art”.
