I haven’t found the rules, unfortunately… It might be just a meme. But damn, an extension like that actually deserves to exist 🤙
Discussion
It looks like a skillfully home made board. Whoever made it probably also already has a workable set of rules.😁
It looks to me as if the magic takes place in the middle, where perhaps a choice can be made to work with one superimposition or another of three possible 64 position boards...🤔😁