Some tools are affected by an update and do not function properly or result in error messages. I'm looking into it.
Known issues: Coordinate conversion
(errors for some conversions).
The pigpen cipher (sometimes referred to as the masonic cipher, Freemason's cipher, or tic-tac-toe cipher) is a geometric simple substitution cipher, which exchanges letters for symbols which are fragments of a grid. Above two ways the letters can be assigned to the grid are shown. Please note that there are multiple variants of this cipher.