Long description

The figure shows Plain alphabet from “A” to Z written inside square boxes arranged in a row. Below the Plain alphabet, Cipher alphabet with shift value of three is shown in the following order: D E F G H I J K L M N O P R S T U V W X Y Z “A” B C. An arrow from E of the Plain alphabet points to H in Cipher alphabet. An arrow from H of the Plain alphabet points to K in Cipher alphabet. An arrow from L of the Plain alphabet points to O in Cipher alphabet. An arrow from O of the Plain alphabet points to R in Cipher alphabet.