D
B
M
B
D
Q
D
D
Q
D
C
B
M
C
Q
B
D
D
M
M
B
Q
B
C
C
B
Q
M
B
B
Q
M
D
M
B
B
B
D
B
M
C
D
C
C
C
Q
M
C
B
Q
Q
C
C
Q
Q
C
M
M
C
M
D
D
D
D
D
M
C
C
Q
Q
Q
B
M
M