Type: Numbers
> Polybius square, also known as the Polybius checkerboard, is a device invented by the Ancient Greekhistorian and scholar Polybius, for fractionating plaintext characters so that they can be represented by a smaller set of symbols.
(Note: create a table of any size, readings should start in column then row)
Example:5x5
1 2 3 4 5
1 A B C D E
2 F G H I K
3 L M N O P
4 Q R S T U
5 V W X Y Z
Ciphertext: 3,2 3,4 3,3 4,3 4,4 1,5 4,2 or
Ciphertext: 32 34 33 43 44 15 42
Plaintext: MONSTER
