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