2
7
8
9
9
5
4
8
7
3
8
1
6
5
6
6
4
9
2
1
7
8
9
5
6
5
4
9
Time 00:00
Mistakes 0
Ready
Medium Sudoku #223
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 28 of 81 |
| Technique score | 103.3 |
| Rated techniques | 4 |
Techniques this puzzle needs
Where to start
The first move on this board is a Full House: Row 5, column 5 is the last empty cell in its box 5, so it must 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.