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