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