2
1 _ 2 3 A B C D E
1
3 3
2 3
2
a A A
5 A B
7 A C
K A D
v B B
H B C
I B D
u C C
M C D
J D D
l a B
8 a I
n 5 A
o 5 J
6 5 H
5 7
L 7 I
7 H
K K
u v
v M
G H D
9 H I
F I A
I M
M C
5 5
6 6
7 7
8 8
9 9
M M
J l
I n
G o
H u
F v
K 5
L 6
M 7
H 8
F 9
I J
I K
H L
G M
0 0 1 1 A a a F
0 0 1 1 G H I E
0 0 1 0 0 0 0 0
1 _ 2 3 A B C D E
1