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Archive · Tuesday, December 16, 2025
Hard Sudoku · Tuesday, December 16, 2025
An archived daily puzzle. Same rules, same single solution.
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people solved this puzzle
Hard
· one puzzle for everyone · fresh at 00:00 UTC
Hard
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3
7
2
1
5
8
4
2
1
3
5
7
3
5
7
1
3
6
4
6
4
8
5
6
3
8
4
3
7
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