From: Scott Worley Date: Sat, 2 Jan 2016 05:53:05 +0000 (-0800) Subject: A distance metric X-Git-Url: http://git.scottworley.com/slidingtile/commitdiff_plain/9c32325fbc48baf135d0d7840e99ded70cb738f5?hp=9c32325fbc48baf135d0d7840e99ded70cb738f5 A distance metric ---