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However, the game gained worldwide popularity when it was published in The Nikoli Company's Nikudoku magazine in Japan in 1984. printable easy sudokuprintable easy sudoku sheets if __name__ == "__main__": board = [ ["5", "3", ".", ".", "7", ".", ".", ".", "."], ["6", ".", ".", "1", "9", "5", ".", ".", "."], [".", "9", "8", ".", ".", ".", ".", "6", "."], ["8", ".", ".", ".", "6", ".", ".", ".", "3"], ["4", ".", ".", "8", ".", "3", ".", ".", "1"], [".", "6", ".", ".", ".", "7", "9", ".", "."], [".", ".", "7", ".", ".", ".", ".", "2", "4"], [".", "2", "1", ".", "9", ".", ".", ".", "5"], [".", ".", ".", "8", ".", ".", ".", "7", "9"] ] print(isValidSudoku(board)) Output: True Conclusion: Valid Sudoku is a popular problem on LeetCode that tests your ability to solve puzzles using algorithmic thinking. High-Quality Games: Arkadium ensures that all its games, including Sudoku, are of the highest quality. nyt sudoku medium Step 7: Backtrack if Necessary If you realize that you have made an error in your solution, backtrack to the point where you made the mistake. killer sudoku combinations
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