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   DIR xkcd - A Webcomic of Romance, Sarcasm, Math and Language.
   DIR Floodgap Gopher Fun and Games
        
       xkcd - A Webcomic - Factoring the Time (247)
        
       Image:
       factoring_the_time.png
        
       I occasionally do this with mile markers on the highway.
        
       Comics reproduced from www.xkcd.com under license.
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