C
S
C
S
C
Q
B
Q
Q
S
B
M
Q
M
Q
S
M
M
M
S
C
M
Q
S
M
B
M
Q
M
B
C
C
B
M
C
M
M
Q
B
S
C
S
M
C
B
S
Q
S
B
C
Q
S
C
Q
Q
C
S
C
S
B
B
Q
M
B
B
S
Q
B
S
S
Q
Q
B
B
M
M
B
S
C
M
Q
B
M
S
Q
C
C
S
C
C
C
Q
M
S
B