It takes 10 - 20 minutes to solve it. It is too slow. It seems that List.count takes too long.
Advent of Code 2024
This year, I decided to start on the 18th of December, and do it in Python instead of Rust. Why? First of all, I had no time/room to start earlier, and second, last year I decided this would be a nice way to get started with Rust. However, that did take a lot of time and I did not finish at all.