Exercises 41: In a Polybius cipher, each letter is enciphered as two integers. The key is a 55 matrix of characters as in a Playfair cipher. The plaintext is the character in the matrix, the ciphertext is the two integers (each between 1 and 5) representing row and column numbers. Encipher the message An exercise using the Polybius cipher with the following key:

Please show the detailed steps how to get the answer.

In 11/J a 4T_gh k 3pon_mT | | Zyxwv 173T5