4. Encrypt the message we are all together using a double transposition cipher (of the type described in the text) with 4 rows - and 4 columns, using the row permutation (1,2,3,4,5)-> (2,4,5,3,1) and the column permutation (1,2,3,4)> (3,1,4,2). 4. Encrypt the message we are all together using a double transposition cipher (of the type described in the text) with 4 rows - and 4 columns, using the row permutation (1,2,3,4,5)-> (2,4,5,3,1) and the column permutation (1,2,3,4)> (3,1,4,2)