9
5
8
4
8
3
4
7
2
5
1
9
3
6
8
3
7
7
4
1
1
4
8
8
6
1
2
1
7
8
6
4
3
4
2
5
8
Time 00:00
Mistakes 0
Ready
Easy Sudoku #58
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 37 of 81 |
| Technique score | 70.9 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 1, column 2 already sees all eight other digits in its row, column and box, so it can only be 6.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.