Is there an older solutions repo available?



I’m looking at the new solutions repo on GitHub, but it seems to be incomplete.

For example the parity function using bit masking doesn’t appear to be located in the repo’s solutions directory–instead only the naive version is there:

However an older post here links directly to a .py file with a solution.

I tried browsing up from that direct link’s directory, but it’s subject to a redirect.

How can I get all the solutions for the book, that are linked like this one?

I guess I can keep guessing direct links, but that’s not very convenient.