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247 sudoku summer Here's a basic overview of how they work: Grid Initialization : The generator starts with an empty 9x9 grid. def read_puzzle(puzzle_input): return [list(map(int, line.split())) for line in puzzle_input.split('\n')] Backtracking Algorithm: The core of our Sudoku solver is the backtracking algorithm, which is a depth-first search technique. free sudoku game apps
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