Maybe I just have a better memory for visual things, or because my sister-in-law knows the language, but Arabic writing is pretty easy to recognize with all the fish hook and bass clef shapes with accent marks everywhere. Knowing Arabic might also be the reason my SIL took 2 1/2 hours to get through immigration last time she visited despite her French passport.
There was an awful lot of math in your one post, psych_. I’ve got my eye on you.