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