8
7
5
6
4
9
7
5
8
2
3
2
9
1
9
7
3
1
8
9
5
7
1
6
4
7
4
1
9
5
8
Time 00:00
Mistakes 0
Ready
Easy Sudoku #222
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 31 of 81 |
| Technique score | 85.9 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 2, column 3 already sees all eight other digits in its row, column and box, so it can only be 6.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.