These are old versions from what I priced from for the RC frame, I'm sure they have been updated several times...just gives a general idea what is happening
Yeah these are the approved ones, no further amendment, not to those levels, that I can see.
To answer Alty's original point, L4 that gets some view is full VIP. On L5 both sides are back of house, but then, the grey riser in the middle is where the cables come in and the views suffer, hence it is toilets and kitchen.