B
D
S
D
C
C
B
S
B
B
S
S
A
D
C
A
A
A
C
A
B
S
S
B
B
S
D
C
D
D
C
D
B
D
D
D
S
C
C
C
A
C
C
B
S
S
A
A
D
B
S
S
B
A
B
S
C
A
C
C
C
A
A
C
B
C
D
B
B
A
S
D
B
D
A
B
D
A
D
A
S
A
D
D
S
S