Question: By using Autokey cipher with the key 21, decrypt the following ciphertext: CPLGHRCJTYKP Enter your two word plaintext with exactly one word in each box

By using Autokey cipher with the key 21, decrypt the following

By using Autokey cipher with the key 21, decrypt the following ciphertext: CPLGHRCJTYKP Enter your two word plaintext with exactly one word in each box below in the right order

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