<div dir="ltr"><a href="http://www.youtube.com/watch?v=kPRA0W1kECg">http://www.youtube.com/watch?v=kPRA0W1kECg</a><br><br><br><a href="http://panthema.net/2013/sound-of-sorting/">http://panthema.net/2013/sound-of-sorting/</a><br>
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