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NoticeI am no longer posting new puzzles to this blog. For all of my Sudoku puzzles, old and new, please visit Sudoku in another section of this website. I will still create and offer new puzzles, in batches of a couple of hundred, once a week or so. Sudoku #9Category: Sudoku Number 9, number 9, number 9, ... To many, "Revolution 9" is their least favorite Beatles song. It's an avant garde collage of various soundbites that's not easy to appreciate. But I think most people take the song way too seriously (like many other songs on the "White" album). Although it purposely seems to try to be some sort of meaningful statement, listening right to the end of the song reveals the punchline, and you realize John Lennon has been playing with us all along. Personally, while it still may not be my favorite Beatles song, I do look forward to "Revolution 9" while listening to one of my favorite Beatles albums. Number 9, number 9, number 9, ... The number nine has great significance in Sudoku. We have to select digits from one to nine. Within the 9x9 grid, we have nine rows, nine columns, and nine squares. Number 9, number 9, number 9, ... For my 9th puzzle, I offer this challenger. Sometimes my Sudoku program takes hours to spit out a good puzzle. This time, it only took about nine minutes. And this time again, we get a puzzle with a completely blank center square. Number 9, number 9, number 9, ... Hans
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