I agree with the central row.
You definitely have one letter wrong in the perimeter -
should begin DYS?S?EE?GH?TH
I
The rest of it looks right except I haven't done 30ac yet so can't confirm or deny the P.
I have what I think is the list of definitions (extra words from clues) - is it OK to list these here (I'm new to this forum and don't want to give spoilers that aren't wanted!)