1
2
9
2
1
3
9
7
6
9
4
7
6
2
3
9
4
3
5
4
1
2
7
2
1
9
3
5
4
7
2
6
5
4
2
3
1
2
1
3
Time 00:00
Mistakes 0
Ready
Easy Sudoku #142
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 40 of 81 |
| Technique score | 72.1 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 5, column 5 already sees all eight other digits in its row, column and box, so it can only be 8.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.