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