C
A
P
B
A
A
A
B
B
C
S
B
A
B
P
S
S
A
C
A
P
C
A
P
P
B
S
S
P
A
S
S
B
A
P
S
P
S
C
B
A
A
B
C
S
B
S
S
C
B
P
C
C
A
P
C
P
C
S
P
C
B
S
S
A
P
P
B
B
C
P
C
A
B
C