Consider this transposition table:

keyword

Algorithm: remove ciphertext by columns in the order of appearance of the letters in the key word in the alphabet

$1?$

If you and I have agreed in advance on the key word COMPUTER and the basic algorithm $-$ solve by inserting plaintext by rows beneath the key word, insert ciphertext bycolumns in the ordar of appearance of the letters in the key word in the alshalbat $($hint READ the bold text again$-$this is the way to solve this$).$ Fill in the table above using the ciphertext letters listed below:

DEGIOEAODELONIAEHTOLRVTSOFNLEYKRLTLITFEFUL TETIFO

Solve the algorithm by filling in the table above. Type the message below: