Did you work it out? It’s a tricky one. The clue tells you how many places to move. ED is ON. E = O and D = N. If you write out the code alphabet with the letters in the right position, you get this.
K L M N O P Q R S T U V W X Y Z A B C D E F G H I J
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
Now you can match the code letters with the proper alphabet to find out what the message says…
