3
4
6
5
3
8
2
6
3
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7
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5
7
9
6
3
1
5
7
8
9
4
1
5
7
3
9
6
Time 00:00
Mistakes 0
Ready
Easy Sudoku #194
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 29 of 81 |
| Technique score | 86 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 8, column 8 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.