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       xkcd - A Webcomic - Depth and Breadth (2407)
        
       Image:
 (PNG) depth_and_breadth.png
        
       A death-first search is when you lose your keys and travel to the
       depths of hell to find them, and then if they're not there you
       start checking your coat pockets.
        
       Comics reproduced from www.xkcd.com under license.
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