So. You think you’re smart. Well, Finnish mathematician Arto Inkala challenges you to a game of sudoku, the hardest one ever constructed (on the scale of 1 to 5 as rated by difficulty, this sudoku goes all the way to 11):
Learn more here. (Give up? Here’s the answer)
This entry was posted on July 25, 2012 at 8:01 am and is filed under Mathematics. You can follow any responses to this entry through the RSS 2.0 feed.
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