Can You Walk a Straight Line? Post author:andy Post published:April 5, 2011 Post category:picture Post comments:0 Comments Tags: Chess, cop, Drunk, Knight You Might Also Like Invisible Cat Door May 16, 2009 How Pumpkin Pie is Made November 26, 2009 Giant Turtle March 9, 2009 Leave a Reply Cancel replyEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Δ