A
A
L
P
A
B
A
L
R
L
B
B
L
L
P
L
L
P
P
B
A
L
P
A
R
B
B
R
L
B
A
L
A
B
P
R
P
R
A
B
P
A
R
P
R
R
R
P
B
P