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