If this has been answered already, please direct me to the thread.
I’m wondering if there’s any significance to the 5 interlocking rings. I’m guessing it has something to do with an original format of 5 city-states but would like to know for sure.
Lots of pop-ups, but this will answer your question.
From a week and a half ago: http://boards.straightdope.com/sdmb/showthread.php?t=271354