3
2
4
8
1
8
7
1
2
6
7
6
1
4
9
2
1
3
2
8
1
9
4
3
7
9
8
6
4
Time 00:00
Mistakes 0
Ready
Easy Sudoku #185
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 29 of 81 |
| Technique score | 90.5 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 1, 7 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.