Simply enter the known digits and get the solution instantly! Basic rules to play Sudoku!!! 1) Number 1 to 9 should be used 2) Total cell to fill 81 3) sudoku grid must be filled so that every column, row must contain a number once . 4) every 3*3 i.e 9 cells block should not have any number repeated. 5) the Difficulty level is defined as Hard, Intermediate and Hard. Difficulty Level is defined based on below facts. The amount of numbers given, which ones, and there placement within the grid determine the difficulty of the puzzle.
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