As a final entry for the 2022 Derpibooru collab I decided to just strip the background from my Periodic Ponies roentgenium entry – that one was a full-body vector and my commissioner (SelkYiffer) for that one was quite friendly – and name it after another Prolog-related thing, here the iterated deepening depth-first search that is often exploited when using the language to solve combinatorial problems.
