Decrypt the following rail fence cipher: MTEXDCELASIHMETRIYOTRLNSLTOTRONRMUOAILSAAPF Assume depth = 4. 2. ()How many columns should the railfence grid have to decrypt the cipher in part a? )How many...

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   Decrypt the following rail fence cipher:
   

   
   

MTEXDCELASIHMETRIYOTRLNSLTOTRONRMUOAILSAAPF

Assume depth = 4.

2. ()How many columns should the railfence grid have to decrypt the cipher in part a?

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   )How many rows should the railfence grid have to decrypt the cipher in part a?