It's in dotnet 9 C# 13.

Shaved time off by:

* Ensuring I only checked visited positions.
* Using structs for storing history.
* Parallel running the obstructed simulations.

I think the structs made the biggest difference but the parallel running got me down even more:

And I'm done...

Enjoyed today, got a bit carried away and added a trie search for multiple words and a ‘solved’ output.

Being very diciplined this year...

I’ll take that 😂
blueskyroast.com/roast/

👍

😍😍😍

We’ve arrived!! 🇪🇺🇪🇺🇪🇺

Yup!