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