L
L
C
C
B
B
A
C
L
A
K
L
K
L
A
C
C
K
K
B
A
K
K
L
C
A
C
C
A
L
A
C
K
A
L
C
K
C
A
C
C
A
K
A
K
B
L
A
A
B
C
B
L
B
L
A
A
B
B
B
L