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sudoku whiteboard 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. sudoku strategy for beginners By understanding the rules and utilizing the strategies mentioned in this guide, you will be well on your way to solving Sudoku puzzles with ease. sudoku apps for android You can carry them anywhere, making them the perfect activity for long commutes, waiting rooms, or even during a coffee break. sudoku strats Conclusion: Sudoku 9 is a versatile and engaging puzzle that challenges your mind while providing a sense of accomplishment.
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sudoku whiteboard Modern Sudoku was popularized by Nikoli in Japan in the 1980s. It has since become a global phenomenon, with daily puzzles appearing in newspapers and online platforms worldwide. advanced sudoku techniques pdf Sudoku competitions are held globally, where speed solvers compete to finish complex grids in the shortest time possible.
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