Challenge Yourself

Complete a Medium puzzle using only box-based logic — no row or column scanning allowed.

Challenge Yourself
✓ Completed! 👍
5
9
2
8
5
4
7
6
4
1
7
1
5
6
3
2
7
4
3
2
5
3
9
Sudoku Trivia

Dell Magazines published Sudoku as 'Number Place' for decades with minimal fanfare before Nikoli transformed it into a cultural phenomenon.

Sudoku Trivia