1
9
3
5
7
7
6
3
4
6
7
8
7
4
8
4
7
2
7
1
3
4
9
8
8
6
4
9
4
8
2
1
Time 00:00
Mistakes 0
Ready
Easy Sudoku #192
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 32 of 81 |
| Technique score | 86.9 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 1, column 5 already sees all eight other digits in its row, column and box, so it can only be 2.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.