3
8
2
4
5
1
4
8
4
9
5
1
2
8
2
4
5
9
9
3
6
4
2
4
3
7
5
8
9
4
2
7
2
9
8
4
Time 00:00
Mistakes 0
Ready
Easy Sudoku #48
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 36 of 81 |
| Technique score | 71.1 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 6, column 6 already sees all eight other digits in its row, column and box, so it can only be 5.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.