From this interview:
The info we get from this:Cat: In the Abbey Road downloadable content will you be able to play the songs as they were on the record, with some of them as continuous pieces of music?
Chris Foster: Absolutely. It's really interesting, for side B there's this sixteen minute medley and it was actually recorded sometimes as individual songs and sometimes as two song chunks. What we do is you have the ability to play the music as they were recorded, so Polythene Pam and She Came in Through the Bathroom Window are one piece, Sun King and Mean Mr. Mustard are one piece, but we've also authored a sixteen minute song which is the entire medley which you can also choose. I've gotten to play some early versions of it and it's pretty awesome.
- "Sun King" and "Mean Mr. Mustard" can be played together separate from other songs in the medley.
- "Polythene Pam" and "She Came in Through the Bathroom Window" can be played together separate from other songs in the medley.
- It isn't stated but it can be assumed that "Golden Slumbers", "Carry That Weight", and "The End" (or some variation of that) can be played together separate from the other songs in the medley.