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Eliminate Possibilities : As you solve each grid, eliminate numbers from the possibilities list for the shared cells. blank sudoku printable freeadvanced strategies for sudoku Sudoku is a 9x9 grid divided into nine 3x3 subgrids called "boxes" or "regions." The objective is to fill the grid with numbers from 1 to 9 such that each row, column, and box contains all the digits from 1 to 9 without repetition.
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