6
8
7
4
5
9
3
2
4
5
1
6
4
1
2
9
6
5
8
1
2
7
3
9
8
1
3
3
4
5
6
2
Time 00:00
Mistakes 0
Ready
Easy Sudoku #191
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 1, column 7 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.