RAR volumes usually follow .part01.rar , .part02.rar , etc. If you’re missing even one, the whole "deep" archive remains locked [2].
A satirical take on modern slang, suggesting a massive, compressed manual on human social interaction that is too large to download at once.
You cannot extract Part 12 without having Part 1 through Part 11 (and any subsequent parts) in the same folder [1, 2].