Sudoku is a logic-based, combinatorial number-placement puzzle. In classic sudoku, the objective is to fill a 9ร9 grid with digits so that each column, each row, and each of the nine 3ร3 subgrids that compose the grid contain all of the digits from 1 to 9
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View Code? Open in Web Editor NEWSudoku is a logic-based, combinatorial number-placement puzzle.