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Conclusion: While Sudoku remains a favorite among puzzle enthusiasts, there are many other games that offer a similar challenge and can keep your mind engaged. sudoku printable freeextreme sudoku book 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. Conclusion Sudoku for print is a timeless puzzle that offers numerous benefits for puzzle enthusiasts of all ages. wooden sudoku game board
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