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