[vessenes]

Algol derivatives usually written by, commercialized, then sold by Arthur Whitney. Generally considered write-only :)

[mpweiher]

Algol?

Did you mean APL?

[vessenes]

Yes, yes I did. As penance, I will post Whitney’s sudoku solver in k:

   x@&/x?/:/:(+;!9;/:x)

[lioeters]

Why did I have to see this mysterious and intriguing code in the morning, now my brain won't rest until I learn what every symbol means and how it works. Thanks for sharing!

[veqq]

https://nsl.com/papers/denial.html