If we are more than one level one, but two 4+ers as well, I'd say let's do 12 then 9. That way we might still get a chunk exp out of it. If 12 would take a long time it mihgt not be the best idea, but if we can RP the gathering of info on the band of undesireables before the session, we could just go in and whoop them? I'm good with 9 anyway.