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