2
6
1
5
3
7
8
1
5
6
5
7
6
3
8
8
4
2
1
4
2
9
7
1
6
7
6
5
Time 00:00
Mistakes 0
Ready
Easy Sudoku #106
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 28 of 81 |
| Technique score | 90.4 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 1, column 3 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.