1
9
2
2
6
8
7
5
6
3
2
1
4
8
9
3
7
4
1
3
1
2
4
7
9
1
4
8
5
Time 00:00
Mistakes 0
Ready
Medium Sudoku #83
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 29 of 81 |
| Technique score | 97.4 |
| Rated techniques | 4 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 5, column 9 already sees all eight other digits in its row, column and box, so it can only be 6.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.