7
2
5
9
4
3
6
8
4
5
2
1
5
6
4
9
1
8
2
7
3
1
8
5
6
3
9
2
1
Time 00:00
Mistakes 0
Ready
Easy Sudoku #199
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 29 of 81 |
| Technique score | 87.2 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 1, column 2 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.