magic_squarePlace 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

InCodeQuestion & 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 SquareMelancholia

Magic Square Puzzles