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This means that you can always find a puzzle that matches your skill level and challenge yourself to improve. sudoku exchangewhat does sudoku mean Use Deductive Reasoning : Hard puzzles require you to use deductive reasoning to eliminate possibilities and fill in cells. nyt medium sudoku answers Chain Strategy: The Chain strategy, also known as the Direct Elimination technique, involves a series of logical steps that lead to the elimination of a specific number. In this article, we'll delve into the basics of Sudoku, providing you with everything you need to know to start solving these intriguing puzzles. sudoku game 6x6sudoku game 6x6 def isValidSudoku(board): def is_valid(board, row, col, num): for i in range(9): if board[row][i] == num or board[i][col] == num: return False if board[3 * (row // 3) + i // 3][3 * (col // 3) + i % 3] == num: return False return True for i in range(9): for j in range(9): if board[i][j] != '.': if not is_valid(board, i, j, board[i][j]): return False return True Step 2: Test the function with a sample Sudoku grid.
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