9
4
8
7
6
2
4
3
2
8
6
5
8
9
2
7
7
2
5
8
3
4
2
5
6
1
5
1
4
2
1
8
2
4
3
6
Time 00:00
Mistakes 0
Ready
Easy Sudoku #23
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 36 of 81 |
| Technique score | 71.7 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 3, column 4 already sees all eight other digits in its row, column and box, so it can only be 1.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.