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simple sudoku puzzles def is_valid(board, row, col, num): for x in range(9): if board[row][x] == num or board[x][col] == num: return False start_row, start_col = 3 * (row // 3), 3 * (col // 3) for i in range(3): for j in range(3): if board[i + start_row][j + start_col] == num: return False return True def solve_sudoku(board): for i in range(9): for j in range(9): if board[i][j] == 0: for num in range(1, 10): if is_valid(board, i, j, num): board[i][j] = num if solve_sudoku(board): return True board[i][j] = 0 return False return True Solving the Puzzle: Finally, we can integrate the functions to solve a given Sudoku puzzle. By understanding the differences between these techniques and their applications, you can enhance your Sudoku-solving skills and become a more proficient puzzle enthusiast. sudoku x wing They provide a clear reference to see if your solutions are correct and help you understand the rules and strategies of the game. sudoku facilsudoku with sums In this article, we will delve into the world of XY-Wing Sudoku, explaining its concept, strategy, and how to apply it effectively.
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