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