A
A
A A A A A A A A A A
A
A
A
A
A
A
A
A
A
A
A A
A
A
A
A A
B
B
B B B B B B B B B B
B
B
B
B
B
B
B
B
B
B
B B
B
B
B
B B
E E E E E E
E
E D
D
D
D
D
D
D
D
D
D
D D
D
D
D
D
D D D D
D
D C
C
C C
C
C
C
C
C
C C C C C C C C C
C
C
C
C
C
C
C
C
C
C
C
1 2
N
0
0
0
0
0
0
0
0 1
1
1
1
1
1
1
1
0
0
0
0 1
1
1
1
4 5
3
3
3 2
2
2
2