1
9
8
2
6
4
3
7
2
4
9
7
6
4
5
8
2
3
3
6
1
9
8
4
1
9
7
6
5
2
7
9
4
Time 00:00
Mistakes 0
Ready
Easy Sudoku #54
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 33 of 81 |
| Technique score | 78 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 2, 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.