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