8
9
6
4
2
4
7
6
9
3
8
8
1
7
9
4
7
1
9
5
6
6
8
1
3
1
4
5
5
2
6
9
Time 00:00
Mistakes 0
Ready
Easy Sudoku #136
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 32 of 81 |
| Technique score | 79.1 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 2, column 9 already sees all eight other digits in its row, column and box, so it can only be 9.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.