A
R
A
S
C
R
D
C
C
A
A
R
A
R
A
S
A
D
C
C
D
D
A
D
A
R
C
S
C
C
C
S
C
D
A
A
S
S
S
R
S
C
S
R
D
D
S
D
A
A
D
A
D
R
R
S
R
R
S
D
S
C
C
R
R
D
S
S
R
C
C
R
A
D
D