Oh heh, that puzzle. Eder Delin, right?
I'd suggest you bring around some friends or random strangers. If none of you have faced the puzzle before, it will... it will still probably help you figure it out. Probably someone will have met with it before, though, and then you can ask for as little or as much help as needed (you may want to specify if you really want no spoilers or tips, just to keep people from jumping in with too much help).
Aside from that, the only clue I can give is to look for similar symbols and check for the... effects and patterns in the effects. It's not the easiest thing to figure out, though, especially alone.
Really, the most direct explanation I can give would be to tell you to get a direct explanation from someone you find in-game (since there's KI-mails specifically designed around explaining it that they can pass on, as well as the benefits of being there "in person" so to speak to demonstrate stuff).
(by the way, there's a separate
subforum for Uru Live)