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A spherical token-swapping puzzle. An implementation of M12, Mathieu 12 group. A puzzle with a theory-heavy approach.

This is Oskar's second implementation of Mathieu 12 group, short: M12. The first one was called "Topsy Turvy".

Rubiks Cube is known for implementing a permutation group in plastic. This again gave birth to the question what other groups are there that can be implemented. Number planet was specifically designed to implement M12. M12 is one of only 26 sporadic finite simple groups. Please do some research on the internet to find out more about these special groups.

This first concept for such a puzzle was proposed by Prof. Igor Kriz in Scientific American. The idea behind it was to challenge Rubik enthusiasts with finding a new solving approach because of the unusual group.

Links

**eBay.com**
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Contributors

Thank you to the following people for their assistance in helping collect the information on this page: **Oskar, katsmom, GamerCuber101, sausage**.

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