xkcd #3125: Snake-in-the-Box Problem
Title text:
Chemistry grad students have been spotted trying to lure campus squirrels into laundry hampers in the hope that it sparks inspiration.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3125/
I'd think that it's not "too much to be brute forced", but probably no one has thrown enough resources at that recently
With each additional dimension, the amount of possible combinations grows exponentially. Without serious optimization efforts, computation requirements get prohibitive very, very fast