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Archive · Thursday, December 11, 2025
Hard Sudoku · Thursday, December 11, 2025
An archived daily puzzle. Same rules, same single solution.
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Hard
· one puzzle for everyone · fresh at 00:00 UTC
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5
9
3
6
4
2
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8
4
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5
1
8
6
2
1
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6
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8
9
1
5
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