|Still can't figure out what we're looking for. Do you have to have two working eyes for this to show up? If so, I'm dead.|
|Originally posted by thackl|
here is another one (hope the attachment works) Look at it and you will find that square A is darker than square B. Then cover the left and right part with your hands. You will find that the circle, square A and square B are all the same shade of grey.