Bit of both, 6's are a pretty significant number to hell. As for how the mechanisms worked...that's more Azazel's area. I mostly just agreed because that's all I knew how to do around him.
I'd have to think about it, go back through what he told me about how it all worked. Calculate some things. I just knew the first and last had to be specific. Everything else was up in the air and no one expected 33 to do what it did