6
8
1
8
5
7
4
3
4
2
5
4
1
8
1
5
8
3
4
9
3
5
2
6
3
3
6
8
1
Time 00:00
Mistakes 0
Ready
Easy Sudoku #19
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 29 of 81 |
| Technique score | 92.6 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 1, 5 can only go in one cell, so it must go there.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.