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Archive · Monday, January 19, 2026
Hard Sudoku · Monday, January 19, 2026
An archived daily puzzle. Same rules, same single solution.
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Hard
· one puzzle for everyone · fresh at 00:00 UTC
Hard
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5
9
4
7
8
2
1
3
9
3
7
8
2
9
5
4
7
6
8
1
4
1
2
8
6
5
4
5
8
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