tag:blogger.com,1999:blog-15628310.post3755445842576731577..comments2024-02-11T22:40:20.959-05:00Comments on Question of the day: Riddle Built on Two BackbonesAnonymoushttp://www.blogger.com/profile/18153935609499338685noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-15628310.post-18142500632296823572008-09-04T07:48:00.000-04:002008-09-04T07:48:00.000-04:00Railroad tracks.Now that I think about it, I think...Railroad tracks.<BR/><BR/><BR/>Now that I think about it, I think I posted this one before...Anonymoushttps://www.blogger.com/profile/18153935609499338685noreply@blogger.com