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