8
7
4
7
3
1
2
8
7
5
6
2
3
7
3
4
1
9
5
9
3
6
1
4
5
6
7
Time 00:00
Mistakes 0
Ready
Medium Sudoku #26
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 27 of 81 |
| Technique score | 102.3 |
| Rated techniques | 4 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 8, column 9 already sees all eight other digits in its row, column and box, so it can only be 8.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.