5
4
3
3
8
7
6
8
9
7
5
8
3
1
9
2
8
3
1
5
8
2
9
1
3
4
6
1
9
Time 00:00
Mistakes 0
Ready
Medium Sudoku #182
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 29 of 81 |
| Technique score | 98.3 |
| Rated techniques | 5 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 1, 8 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.