R
A
A
F
F
R
D
D
F
U
R
R
D
F
R
F
D
D
U
U
F
A
U
U
F
F
U
R
R
U
R
A
A
F
F
F
D
U
A
D
D
A
F
F
U
D
U
U
U
D
R
A
D
A
F
U
R
R
A
D
F
A
D
U
R
R
D
A
R
D
R
A
U
R
F
F
A
A
A