The objective is to fill a 9x9 grid with numbers from 1 to 9, such as in the following example: +-------+-------+-------+ | 1 | 2 | 3 | | 4 | 5 | 6 | | 7 | 8 | 9 | +-------+-------+-------+ | 1 | 2 | 3 | | 4 | 5 | 6 | | 7 | 8 | 9 | +-------+-------+-------+ | 1 | 2 | 3 | | 4 | 5 | 6 | | 7 | 8 | 9 | +-------+-------+-------+ The grid is divided into nine 3x3 subgrids called "boxes." Each row, column, and box must contain all the numbers from 1 to 9 without repetition. usa today sudokusudoku hard puzzles printable Here are some resources where you can find a wide variety of Sudoku puzzles: Online Sudoku Websites : Many websites offer free Sudoku puzzles that you can print or solve online.
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usa today sudoku There are several difficulty levels in Sudoku, ranging from easy for beginners to expert for seasoned players. Solving techniques include scanning, cross-hatching, and identifying candidate numbers. sudoku solution algorithm Sudoku is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 subgrids contain all of the digits from 1 to 9. the star sudoku To solve a Sudoku puzzle, one must look for cells where only one number is possible, or rows/columns/blocks where a specific number has only one possible placement.
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