If they aint gonna have the seat numbers on the printed version of the ticket they can't expect people to sit in their allocated seat. Block maybe but not the actual seat.
All mine says is W1F.
Just realised I got where the screens are arse about face as well. Wanted to be at the back so I could be close to the bar. Instead I am basically at the front with a ******* walk up some stairs to get near the beers.