The Secrets of the Threes and Twelves

Pssst...! Wanna know a secret?

How about the secrets of the Threes and Elevens?

The 3's and 11's roll only twice in thirty six rolls, or once in eighteen rolls. The payoff for the 11 (or 3) is fifteen to one, which means that if you bet $5, and the 11/3 hits on the next roll, you