6
5
8
7
4
9
1
9
6
8
4
6
1
5
2
4
8
1
4
3
7
2
4
5
1
5
4
2
4
6
5
1
5
7
9
2
3
Time 00:00
Mistakes 0
Ready
Easy Sudoku #71
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 37 of 81 |
| Technique score | 69.1 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 3, column 9 already sees all eight other digits in its row, column and box, so it can only be 2.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.