7
1
2
8
8
9
6
3
7
4
7
3
3
6
8
9
4
4
5
7
7
3
4
7
2
8
6
2
9
Time 00:00
Mistakes 0
Ready
Medium Sudoku #75
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 29 of 81 |
| Technique score | 105.8 |
| Rated techniques | 5 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 2, 7 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.