7
3
9
1
9
8
7
1
8
8
9
4
7
2
4
8
2
8
1
7
9
5
3
1
6
2
1
5
Time 00:00
Mistakes 0
Ready
Medium Sudoku #89
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 28 of 81 |
| Technique score | 106 |
| Rated techniques | 5 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 1, 1 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.