It's possible that some here would (a) be interested in this topic and (b) not be aware, yet, of this article on the subject:
https://www.scientificamerican.com/article/inside-mathematicians-search-for-the-mysterious-einstein-tile/ No J code, at the moment, though that might be fun. FYI, -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
