The ones in the corners? I'm sure people have said part of the roof obscures part of the pitch. Restricted was probably the wrong word as it's not the goal mouth that you can't see, but people on here have said there are bits you can't see
"Q. What seating will be available for sale in the Local General sale?
A. Seats for this sale will be restricted in view and situated in the Main Stand Upper Tier, areas U1 and U9. All tickets cost £9 each; concessions will not apply."