D
F
D
A
A
A
F
F
D
T
F
T
D
F
A
A
F
F
R
R
D
R
F
A
A
D
F
T
T
D
A
R
D
T
T
T
T
T
R
D
F
R
D
R
T
R
T
R
R
A
D
A
R
F