I agree with kenneth and have seen them in person as well, the
sliding portions of the end doors differ from the standard ones
elsewhere because they are 60:40 proportionately sized.
Legend:
---- One piece sliding door
____ Full glass panel
_ Partial glass panel with "flashing lights at top"
____ _ ----|----_ _____ STANDARD DOORWAY with the sliding doors
at 50/50
____ _ -----|---_ End doorway with the sliding doors at
60/40