5
1
9
8
6
9
2
2
5
4
7
2
7
5
9
8
6
8
7
1
3
2
6
4
7
7
4
3
Time 00:00
Mistakes 0
Ready
Medium Sudoku #9
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 28 of 81 |
| Technique score | 102.1 |
| Rated techniques | 5 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 3, 9 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.