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Expert
Daily challenge June 5, 2026 Back to calendar
5
3
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6
2
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3
1
5

New game

Fill every row, column, and 2×3 block with the digits 1–6 (no repeats). The grid is 6×6—smaller than classic Sudoku but the same kind of logic.

About Expert

The toughest mini we generate here—compact but demanding.

How to play · Glossary · Classic 9×9 Sudoku