Posting on the internal y combinator forum my final solution to the riddle of the y that ate the combine, and a partial solve of the more confounding riddle of why 7 8 9, the greatest thread in the forums, etc
Posted on Mastodon over five years ago and archived here at /mastodon/2021/06/04/106354483169719248/ in the Mastodon collection.
Other Mastodon posts