3
5
8
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2
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8
8
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2
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5
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6
9
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6
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9
2
1
7
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7
4
1
9
8
2
4
Time 00:00
Mistakes 0
Ready
Easy Sudoku #135
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 40 of 81 |
| Technique score | 65.2 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Full House: Row 5, column 5 is the last empty cell in its box 5, so it must be 1.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.