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Sudoku
The classic number placement puzzle. Fill a 9×9 grid so that each row, column, and 3×3 box contains the digits 1-9 exactly once.
Difficulty Levels
Easy
~40 given numbers
Medium
~32 given numbers
Hard
~26 given numbers
Expert
~22 given numbers
Quick Rules
- 1.Fill the grid with digits 1-9
- 2.Each row must contain each digit exactly once
- 3.Each column must contain each digit exactly once
- 4.Each 3×3 box must contain each digit exactly once
- 5.Use the given numbers as clues to solve the puzzle