3
4
9
1
4
2
1
6
3
5
3
1
6
5
9
2
3
4
1
5
8
1
4
7
8
5
9
7
Time 00:00
Mistakes 0
Ready
Medium Sudoku #152
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 28 of 81 |
| Technique score | 99.4 |
| Rated techniques | 4 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 5, 1 can only go in one cell, so it must go there.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.