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Unsolved Problems


MelancholiaThe good news is the more problems civilization solves the more unsolved problems remains. You don’t need to become a pop star or NFL player or a richest person in a world to be famous. You can become a famous person just by solving one of the outstanding unsolved problems. We present a list of our most challenging unsolved puzzle problems. Send us your solution and we add your name to our “Hall of Fame” page.


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