Codes and Ciphers

ºROT₁₃º

-ROT₁₃ replaces each letter by its partner 13 characters further along the alphabet. For example 'HELLO' becomes 'URYYB' or reversing 'URYYB' becomes 'HELLO' again.

A- N
B- O
C- P
D- Q
E- R
F- S
G- T
H- U
I- V
J- W
K- X
L- Y
M- Z

EXAMPLE:

ROT₁₃    H  E  L  L  O
             |   |   |  |   |
            U  R   Y  Y  B