Did You Know?

In 2013, researchers proved computationally that every valid 16-clue Sudoku puzzle has a non-unique solution — 17 is truly the minimum.

Did You Know?

In 2013, researchers proved computationally that every valid 16-clue Sudoku puzzle has a non-unique solution — 17 is truly the minimum.

PlaySudoku.us
Medium · Puzzle #259
✓ Completed! 👍
3
8
4
3
4
2
6
5
5
6
7
8
9
6
5
1
4
7
3
7
8
2
5
2
5
4
1
6
2
7
6
8
7
2
00:00
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Champion's Mindset

"One man practicing sportsmanship is far better than 50 others preaching it." — Knute Rockne

Champion's Mindset

"One man practicing sportsmanship is far better than 50 others preaching it." — Knute Rockne