Did You Know?

The first modern Sudoku puzzle was published in 1979 by Howard Garns in Dell Pencil Puzzles & Word Games.

Did You Know?
✓ Completed! 👍
9
8
5
1
9
2
6
3
7
6
1
3
4
9
4
7
5
7
3
6
5
8
4
9
Scientific Mind

"An expert is someone who has made all the mistakes which can be made in a very narrow field." — Niels Bohr

Scientific Mind