3
2
7
4
8
9
9
1
4
1
7
3
9
3
7
1
9
8
1
2
9
6
7
8
9
2
6
4
2
8
1
3
7
Time 00:00
Mistakes 0
Ready
Easy Sudoku #59
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 33 of 81 |
| Technique score | 78.9 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 2, column 1 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.