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