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