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Fill the grid so that every row, column, and primary block contains all digits exactly once.
Easy puzzles use a 6x6 grid with 2x3 mini-blocks. Medium and Hard puzzles use the classic 9x9 grid with 3x3 blocks.
Select a cell and type the number on your keyboard, or click the numbers on the screen to fill out the grid!
Fill the grid so that every row, column, and primary block contains all digits exactly once.
Easy puzzles use a 6x6 grid with 2x3 mini-blocks. Medium and Hard puzzles use the classic 9x9 grid with 3x3 blocks.
Select a cell and type the number on your keyboard, or click the numbers on the screen to fill out the grid!