Classic Sudoku game. The aim of the puzzle is to enter a numerical digit from 1 through 9 in each cell of a 9� grid made up of 3� subgrids (called "regions"), starting with various digits given in some cells (the "givens"); each row, column, and region must contain only one instance of each numeral.
Completing the puzzle requires patience and logical ability.
How to play this flash Sudoku:
- Select your difficulty level.
- A new random sudoku will be generated
- Select the number in the left tool bar and use that number to fill a box on the grid
-When you`ve filled in all of the boxes or during the game, click the `check table` button to see if you have made any mistakes. Enjoy and good luck.

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