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The grid has some of the cells pre-filled with numbers, known as "givens," and you must use logical reasoning to determine the missing numbers. hardest sudokuchicago times sudoku Try to solve puzzles of varying difficulty levels and challenge yourself to solve them within a set time limit. sudoku game generator Crosshatching: Draw lines across rows and columns where a particular digit has already appeared in a box. sudoku puzzles online free Alex provides step-by-step solutions to various Sudoku puzzles, often highlighting the logic behind each move.
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