Number puzzles appeared in newspapers in the late 19th century, when French puzzle setters began experimenting with removing numbers from
magic squares.
Le Siècle, a Paris daily, published a partially completed 9×9 magic square with 3×3 subsquares on November 19, 1892
If you want to change selection, open document below and click on "Move attachment"
Sudoku - Wikipediaons read, "Use the numbers 1 to 9 each nine times to complete the grid in such a way that the horizontal, vertical, and two main diagonal lines all add up to the same total." Predecessors[edit] <span>Number puzzles appeared in newspapers in the late 19th century, when French puzzle setters began experimenting with removing numbers from magic squares. Le Siècle, a Paris daily, published a partially completed 9×9 magic square with 3×3 subsquares on November 19, 1892.[7] It was not a Sudoku because it contained double-digit numbers and required arithmetic rather than logic to solve, but it shared key characteristics: each row, column and subsquare a Summary
| status | not read | | reprioritisations | |
|---|
| last reprioritisation on | | | suggested re-reading day | |
|---|
| started reading on | | | finished reading on | |
|---|
Details