> The list of tokens leaves out zero and includes a bunch of ascii characters that aren't valid hex I rewrote it in rust last night and realised that, yeah.

> The list of tokens leaves out zero and includes a bunch of ascii characters that aren't valid hex I rewrote it in rust last night and realised that, yeah. Lots of wasted time on irrelevant characters. >permutation in python is probably not the right tool for this. Correct, missed that. I need `itertools.product(<iterable>, repeat=2)`