-- to26:'secretmachine'
-- Length of key: 13 --- Key: 'secretmachine'
-- Plain text: 'abcdefghijklmnopqrs1234567890'
-- Permutation: 7 2 8 1 4 12 9 10 6 11 3 0 5
-- Size of tableau: 39
-- 'abcdefghijklm'
-- 'nopqrs1234567'
-- '8900000000000'
>>>>>>>>>>>>>
-- Length of key: 13 --- Key: 'secretmachine'
-- Cipher text: 'hcibemjkgldaf2p3or74516qns0009000000080'
-- Permutation: 7 2 8 1 4 12 9 10 6 11 3 0 5
-- Size of tableau: 39
-- 'hcibemjkgldaf'
-- '2p3or74516qns'
-- '0009000000080'
abcdefghijklmnopqrs1234567890
-----------
hcibemjkgldaf2p3or74516qns0009000000080
-----------
abcdefghijklmnopqrs12345678900000000000