GetAmused.com - Look closely at tile A and B. They seem to be different shades of gray. They are actually the same exact shade. Don't believe it? Try opening up the image in Paint or another image editor and put the 2 tiles side by side.

Look closely at tile A and B. They seem to be different shades of gray. They are actually the same exact shade. Don't believe it? Try opening up the image in Paint or another image editor and put the 2 tiles side by side.