Yes, Abe includes a lot of data. I'm pretty sure it also includes a copy for saved/killed Muds. And yes, as documented in my previous post, Abe is 45, and muds are 51.
I'm disassembling the code, I hope I can find something with my only recently gained asm skills.
Edit: 63 and 7A can have the same sizes, because each represent another object. 63 represents a bird portal, and 7A represents a path blocker.
Edit 2: Yes! It always starts at 1372! And that's what makes it VERY easy to parse once all information is gathered!