Uncle Meat Mystery Digits

From Reilly Joret: I just had a question concerning Uncle Meat. I was looking through the cd booklet and on the back there are small pics of the band members (and their teeth) as well as a skull. My question pertains to the numbers both under the pictures and on the skull. Do you know what these stand for or if they have any meaning whatsoever?
Umm… nope, not a clue. Which is why I’m posting the question here… anyone?