2
4
7
5
9
3
7
5
3
1
5
9
8
9
6
2
4
1
7
1
9
5
6
5
8
6
Time 00:00
Mistakes 0
Ready
Medium Sudoku #98
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 26 of 81 |
| Technique score | 91.1 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 4, column 6 already sees all eight other digits in its row, column and box, so it can only be 7.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.