2
1
9
1
2
6
7
8
5
7
8
3
1
4
2
1
9
1
4
5
3
8
3
2
6
4
8
8
2
4
Time 00:00
Mistakes 0
Ready
Easy Sudoku #18
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 30 of 81 |
| Technique score | 84 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 2, column 8 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.