7
6
2
6
4
9
9
3
6
8
1
1
6
3
1
8
5
2
5
3
1
7
5
8
4
9
3
6
3
1
Time 00:00
Mistakes 0
Ready
Easy Sudoku #1
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 30 of 81 |
| Technique score | 84.6 |
| 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 8.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.