Example Huffman encoding
   A = 0
B = 100
C = 1010
D = 1011
R = 11
   ABRACADABRA = 01001101010010110100110
¡ This is eleven letters in 23 bits
¡ A fixed-width encoding would require 3 bits
for five different letters, or 33 bits for 11
letters
¡ Notice that the encoded bit string can be
decoded!