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Tough 16×16 Giant Sudoku 2026 archive

Daily puzzle Archive Rules
Dates in green are puzzles you've done.
Dates in amber are puzzles you've done, but not achieved the maximum score.
Dates in blue are puzzles you've started.
Dates in red are puzzles you've not done.
October 2026
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September 2026
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August 2026
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July 2026
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June 2026
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May 2026
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April 2026
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March 2026
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February 2026
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January 2026
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