It also doesn't make sense for them to arrange a sale for just 12 tickets a few days in advance when theoretically a few more could be sold to ST holders with one in the next couple of days who were slow on the uptake. If they had only a tiny number I would have thought they'd just put it on the website one morning saying they'll be on sale from 1pm to members with one, get them sold in 10 mins and be done with it.
Then again, I'm assuming that the TO would act logically, which is foolish.