I'm not sure that relation for "Fifty Third and Eighth" building is correct. The fact that you mapped it as outer and inner, implies that there's no 1st floor under the "inner" section. That's highly unlikely...

I think it can be simplifies with just regular building:part=1 way and optionally add building:min_level=2 to w260947181 section.
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            Published using OSMCha: https://osmcha.org/changesets/150677006
            