Here's a better link:
https://www.rferl.org/a/mystery-numbers-station-persian-sign...
One needs to be wearing The Verdant Ring of Ciphered Arithmetic to understand what's going on.
It is so creepy how it is read outloud by a human voice.
Here's a better link:
https://www.rferl.org/a/mystery-numbers-station-persian-sign...