To me it's pretty obvious how it works. It's a somewhat unusual pattern, and your mind is trying to remember where it saw it before and apply some of it. (In

To me it's pretty obvious how it works. It's a somewhat unusual pattern, and your mind is trying to remember where it saw it before and apply some of it. (In point of fact you just saw it a few minutes ago, so that's what you're remembering - it's not a long-term thing.) If you look carefully at the word at the end of this paragraph I can't imagine that you don't see at least some of the appropriate colors faintly in it. Google.