Once richard is done uploading everything we will have more clues. Tracks with the same number in front cannot be from the same compilation. Some also have comments of what year they were from - at first it was all 89-91, now it seems to be 93-94. Those pics from optigram_cinite instagram will be helpful maybe, if he ends up uploading the entirety of any one of those demo tapes (doubt it, and many are mixed in with officially released tracks). For the time being everyone I've seen so far is just ordering them by order of how richard uploaded them, and grouping those by which "burst" of uploads rich did (2 days ago, yesterday, today, maybe tomorrow (crossed fingers))
Then of course theres based on sound... i havent had time to listen to everything, and nobody has had enough time to listen to everything enough to really be able to categorize them. Even on official early releases they often dont seem too categorizable together in any subtle way