As you can see, it’s five latin words, SATOR, AREPO, TENET, OPERA and ROTAS, each of them five letters long, arranged in a square. You can read them left to right, right to left, top to bottom or bottom to top.
What is this? Well, obviously it’s a very clever palindrome (palindromes are word sequences that say the same thing forward or backward; this one’s a super-version, going up and down as well.) It translates, roughly to “The Farmer Arepo works with a plow.”….
The search for hidden patterns and symmetries is a deeply mathematical instinct, and these puzzlers are celebrations of pattern.