6
4
9
4
8
2
5
7
3
1
5
9
8
6
8
9
7
3
6
1
8
1
4
4
3
5
8
8
2
Time 00:00
Mistakes 0
Ready
Medium Sudoku #71
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 29 of 81 |
| Technique score | 97.7 |
| Rated techniques | 4 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 3, column 8 already sees all eight other digits in its row, column and box, so it can only be 1.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.