[selimthegrim]

It looks like 4chan had us all beat according to Robin Houston

https://threadreaderapp.com/thread/1054637891085918209.html

https://news.ycombinator.com/item?id=18292061

[JdeBP]

One person in the 4chan discussion suggested writing an answer at https://math.stackexchange.com/questions/15510/ .