3
7
9
2
5
6
3
9
2
6
4
3
2
5
3
1
6
1
4
9
8
3
5
7
7
5
8
1
6
7
1
4
9
2
7
5
Time 00:00
Mistakes 0
Ready
Easy Sudoku #38
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 36 of 81 |
| Technique score | 71.1 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 5, column 2 already sees all eight other digits in its row, column and box, so it can only be 7.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.