Euler Square

Leonhard Euler's Magic Square

• Start an Euler Square solitaire game and solve the puzzle on your own at
  • http://omerkel.github.io/eulersquare/html5/src
  • http://omerkel.github.io/eulersquare/html5/src/index_de.html (German language)

Keywords: Leonhard Euler, Euler Square, Euler'sches Quadrat, Magic Square, Graeco-Latin square, Griechisch-Lateinisches Quadrat, Javascript, Firefox OS, Geeksphone, Mobile device, Catherine the Great, Katharina die Große, 36 officers problem, thirty-six officers problem, Albrecht Dürer, Melencolia § I

To get more detailed background information visit the info page while Euler Square puzzle is running.

Application as installed in FirefoxOS (B2G), own work, Oliver Merkel, This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.	Euler Square application showing gameplay in MS IE10 on Win8 desktop instead of smaller resolution device, own work, Oliver Merkel, This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.

Beware: Spoiler

If you still plan to solve the Euler Square puzzle on your own from scratch then do not look too closely onto the next screenshots.

Screenshot of an initial version of Euler Square in Firefox OS Simulator. This 10x10 Graeco-Latin Square has a valid 3x3 Graeco-Latin Square included, own work, Oliver Merkel, This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.	Euler Square of order seven on a Geeksphone Peak mobile device, own work, Oliver Merkel, This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Another solution sized 10x10. This solution has tiles of same inner and outer color on long diagonal only, own work, Oliver Merkel, This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.