T
T
T
T A A A A
A
A
A A A
A A
F
F
F
F B B B B
B
B
B B B
B B
D D D C
C
C
C
C C C
C C C C
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
E
E E E
D
D D D
C
C D E F G
C
C D E F G
C D E F G
C D E F G
C D E F G
C
C
C
C C C C
N
0
0 0
0 1
1 1
1
4 3
3 3
2
2 2