The concept is these are the 50 people closest to being on your friends list who aren't (I don't know whether it's just the people who are primarily on your OTHER friends' friends list or whether some of them are primarily here because of location, but...these are my 50 closest non-friends...).
Results...
1:
(I don't have the time this morning, but this weekend I'll be visiting them all to see what any of them are like...)