CAESAR CIPHER is like Atbash but this time, you'll just have to move the 3 letters of the end of alphabet and placed it to the beginning. So it will be A=X, B=Y, C=Z, D=A, E=B, and so on and so forth.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
X Y Z A B C D E F G H I J K L M N O P Q R S T U V W
