:
I'm convinced we'll need to do more to decrypt this.. any ideas what use the "20" and "12" might have? or was that simply a nod to the Exodus verse and nothing more.. 
|
Maybe they are the key to solve the cipher? Like ceasar but with a "X" letter shift instead of just 3
http://www.dcode.fr/vigenere-cipher
I normally use this one when it comes to vigenere, but looks like you isn't the key. Maybe I'm missing something.