Question: By means of the Hill digraph cipher, encode the plaintext AMERICAN BLACK CHAMBER using the matrix 3 5 12 modulo 26 where A = 0,

By means of the Hill digraph cipher, encode the plaintext AMERICAN

By means of the Hill digraph cipher, encode the plaintext AMERICAN BLACK CHAMBER using the matrix 3 5 12 modulo 26 where A = 0, B =1, C = 2, Z = 25. Retrieve the ciphertext

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