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