Online Sudoku - Free

    
Free sudoku in 4 levels of difficulty.
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2
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9
X
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About Sudoku:

Sudoku means 'Number Place'. It is made of 9 rows, 9 columns and 9 blocks.
The goal is to place the numbers 1 to 9 in each row, column and block (a subgrid of 3x3 cells).

Sudoku - Rules of the games:

Each of the nine blocks has to contain the numbers 1 to 9 in its squares. Each number can only appear once column, row or 3x3 box. Every sudoku puzzle has only one correct solution. Enjoy!!