Weren't you supposed to wait until the submissions close to publish spoilers?
(Or did they close yesterday?)
(Or did they close yesterday?)
https://blog.janestreet.com/can-you-reverse-engineer-an-asic...
In any case, I had it all worked out already. But looking at other people's submissions today showed me that I found some easter eggs other hadn't. That was encouraging. (And I missed some that others found, of course.)
I also realised I'd missed a lot of easter eggs, like the morse code - I wish I'd spotted that!