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