B
B
L
R
S
L
C
L
S
B
R
R
S
C
L
C
S
B
C
S
R
S
C
L
R
C
S
L
L
L
S
B
R
C
R
B
B
L
C
S
C
R
C
B
L
B
R
B
L
S
L
R