6
7
4
3
8
2
7
2
6
7
1
4
6
2
1
8
9
9
1
2
2
6
3
9
8
7
5
5
3
Time 00:00
Mistakes 0
Ready
Medium Sudoku #132
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 29 of 81 |
| Technique score | 96.5 |
| Rated techniques | 4 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 4, column 8 already sees all eight other digits in its row, column and box, so it can only be 5.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.