A complex way to think of it is [here] which is interesting but to be honest it was not the way I thought of it! Thank you Purgatory for the link :D very informative.
mine was very simple, I simply listed the Alphabetics A-Z then chose the letter R to correspond a new listing for the alphabetics, reorganized them in the same pattern but took the R as a starting point, hence the R = A
a | j |
b | k |
c | l |
d | m |
e | n |
f | o |
g | p |
h | q |
i | r |
j | s |
k | t |
l | u |
m | v |
n | w |
o | x |
p | y |
q | z |
r | a |
s | b |
t | c |
u | d |
v | e |
w | f |
x | g |
y | h |
z | i |
So the word Hello in the red letters corresponds with the word Qnuux in the black letters. If you go back to the hints I put in that post, it will make sense now :>
This one was easy, be prepared for the next one :D