Posted by Juniorsbook on Apr 10, 2009 in Optical Illusion | Visually Perceived Image: Flags CLICK BELOW TO GET ANSWER Which flag one to eleven does not belong here? Answer: Flag number eight. The left part of each flag has the color sequence black, blue, yellow, and red. The right part has the color sequence red, white, and black. So the right half of flag number eight should be white.