# MacMahon Squares

> Puzzle published in 1921 by Percy MacMahon

**Wikidata**: [Q106959113](https://www.wikidata.org/wiki/Q106959113)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/MacMahon_Squares)  
**Source**: https://4ort.xyz/entity/macmahon-squares