R
P
P
P
S
P
R
R
S
C
R
A
P
A
C
A
S
S
S
C
S
P
P
S
A
A
C
A
R
A
S
A
S
R
C
P
A
C
S
A
S
P
P
P
R
C
C
R
R
R
C
C
A
C