User blog comment:Ecl1psed276/BM2 Analysis - A Summary/@comment-30754445-20180709051740/@comment-35870936-20180709160633

On Discord, me and some other people (most notably Nish) figured out the ruleset for BM2, including how to find the bad root and how it expands. I put the algorithm on pastebin: https://pastebin.com/q7cFgee8