L
B
C
L
C
L
C
U
C
B
C
B
C
C
B
C
U
B
B
B
L
B
C
U
C
L
L
L
U
U
B
U
L
B
L
U
L
C
L
C
C
L
L
U
U
L
B
L
U
U
B
B
U
B
L
C
U
C
B
C
B
U
L
C
B
U
L
C
U
U
U
B