Ran across this a few years ago. Highly interesting thread from 4chan in July of 2016. Well before Q.

This may be new to some…

Numbers = Questions & Answers

Answers from FBI Anon in Bold.

1-89.

https://educate-yourself.org/cn/Full-Text-of-FBI-Anon-Q-and-A-on-4Chan-Blog-July-2-2016-22oct16.shtml