6
4
5
7
9
6
8
1
9
3
7
3
2
4
8
4
8
3
2
7
5
1
8
7
2
2
1
Time 00:00
Mistakes 0
Ready
Easy Sudoku #85
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 27 of 81 |
| Technique score | 89.7 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 1, column 1 already sees all eight other digits in its row, column and box, so it can only be 1.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.