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