15 
B
C
D
E
F
G
K
L
M
N
P
R
S
O
Z
 2  0  2  2  1  4  0  0  2  0  1  0  0  3  3 
 5  0  5  5  5  5  0  0  5  0  5  0  0  5  5 
 4  0  4  4  4  4  0  0  4  0  4  0  0  4  4 
 2  2  2  2  2  2  3  2  2  1  4  4  4  7  7 
 3  3  3  3  3  4  3  3  3  3  3  2  2  1  1 
 3  3  3  3  3  4  3  3  3  3  3  2  2  1  1