9
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1
6
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9
1
6
5
2
9
8
5
1
8
5
3
8
1
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4
9
7
Time 00:00
Mistakes 0
Ready
Daily sudoku — 2026-12-17
Hard level, 25 clues. The board is generated from the date, so this link will show the same puzzle to anyone who opens it.
Difficulty rotates by weekday: Monday and Tuesday are easier, Friday to Sunday are the hard ones. The archive is generated ahead of time, so tomorrow's puzzle is already there if you want a preview.