I'm in process of test fitting passenger side.
Driver's side fits perfect.
Driver's side slides above steering column.
I believe that is how passenger side goes.
The issue is interference of cover with transmission indicator linkage on steering column.
I would to very sympathetically trim a small area of the new cover.
I don't think cover goes under column. Too much pressure on new panel in left corner.
Trying to do it correctly.
I looked at pictures of 4 cars and none provide the answer on a 220seb automatic column shift car but I actually was able to look at another 220 in person. Rough car but most of the right under dash was intact. I think the left side that goes above dash was prone to be broken off or hanging mangled because of someone previously removing cover for some type of repair.
See pictures of a picture file I am collecting for lower dash reference.
https://photos.app.goo.gl/2Y2R13QkwPCmmSfv8