There's no mention of the word 'search' within the blog post, but this is classic search algorithm: depth-first search (recursing depth first, with no heuristic

There's no mention of the word 'search' within the blog post, but this is classic search algorithm: depth-first search (recursing depth first, with no heuristic). https://en.wikipedia.org/wiki/Depth-first_search https://en.wikipedia.org/wiki/Depth-first_search