6
5
2
8
8
7
2
4
6
1
8
9
2
1
6
8
5
8
2
1
4
9
6
3
5
4
9
3
4
8
9
5
1
8
1
5
4
Time 00:00
Mistakes 0
Ready
Easy Sudoku #4
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 37 of 81 |
| Technique score | 70 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 2, column 9 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.