8
2
3
1
8
4
3
1
9
8
2
6
3
9
3
2
6
7
8
1
7
4
9
1
3
7
1
3
6
Time 00:00
Mistakes 0
Ready
Easy Sudoku #107
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 29 of 81 |
| Technique score | 95.9 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 7, column 5 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.