1
2
6
9
1
8
7
4
7
2
5
9
2
1
6
2
1
3
6
3
5
2
6
1
7
8
7
5
6
7
6
5
Time 00:00
Mistakes 0
Ready
Easy Sudoku #228
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 3, column 1 already sees all eight other digits in its row, column and box, so it can only be 3.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.