encrypt this:

  l  i  s  t  e  n,     m  y     c  h  i  l  d  r  e  n,     a  n  d
 12  9 19 20  5 14     13 25     3  8  9 12  4 18  5 14      1 14  4

 __ __ __ __ __ __     __ __    __ __ __ __ __ __ __ __      __ __ __
 
 __ __ __ __ __ __     __ __    __ __ __ __ __ __ __ __      __ __ __

 __ __ __ __ __ __     __ __    __ __ __ __ __ __ __ __      __ __ __

decrypt this:

  Y  Q  H     V  Y  A  B  S     T  O  Q  I     G  N     O  G  R
 25 17  8    22 25  1  2 19    20 15 17  9     7 14    15  7 18

 __ __ __    __ __ __ __ __    __ __ __ __    __ __    __ __ __ 

 __ __ __    __ __ __ __ __    __ __ __ __    __ __    __ __ __ 

 __ __ __    __ __ __ __ __    __ __ __ __    __ __    __ __ __ 

"pad"
 3  4 19 23  4 16  9  2 12 10 
 1 17 22  8 25  8  2  8 21  0
 2 13  3 17  0 16  7 12 10 16
17 18  8 21 25 13 14  0  6  5
 6  1  3 23  6  1 21 15  3 10
 1  2 13  7 23 13  7  3  8 13
22 13 16 13 15  0 18 21 15 10
21  2  7  6  7 15 19 13 19  1
 6  9  2 15 25 17 25 14 11  5
23  6  9 15 24  0  0  7 20 13


    A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
                      1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2
    1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6