Talk:Left-right planarity test

I can't help but remark that the depicted form almost perfectly resembles a one unit piece of shell macaroni(if you are familiar with the food item,you will uderstand)(could be a verifiable coincidence)(connection to a designer dietary program?)

second picture

why is the gamma edge there? —The preceding unsigned comment was added by Honnza (talk • contribs) 06:37, 13 January 2007 (UTC).