Place the numbers 1 to 9 into the nine cells of a three-by-three square

so that the sum of the entries along

- each of the three rows
- each of the three columns
- each of the two diagonals

is the same.

*Play it online:* Magic square puzzle

*Question & answer:* In code: A – *young woman’s* – Mathematical Journey

*Read more about this ancient puzzle:* Lo Shu, the Scroll of the River Lo

Dürer’s Magic Square – Melancholia

Magic Square Puzzles

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