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