7
1
7
3
8
4
5
5
8
9
3
6
1
4
9
5
4
3
7
8
5
2
8
6
4
6
4
7
3
1
4
8
6
9
5
8
Time 00:00
Mistakes 0
Ready
Easy Sudoku #141
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 36 of 81 |
| Technique score | 75.6 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 2, column 4 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.