m A s s a g e s[]to
. . . . . . =6
m E s s a g e s[ ]to ←– correct the error
. . . . . =5
m E s s a g e [S ]to ←-spacing corrected
1 2 3 4 5 6
^^ ←–between 6 and 5
mEssa[]ge[S ]to ←–move A to box
mEss[A]ge[S ]to ←–move E between 6/5
^ ^
mss[A][E]ge[S ]to ←–pull boxes out
mssgeto ←–6 letters,6periods Complete
5:5 message is sent
[AES]=
https://en.wikipedia.org/wiki/Advanced_Encryption_Standard