A
C
n
n
S
S
C
N
S
C
A
N
S
A
A
S
A
n
n
n
A
S
N
S
n
n
C
C
C
N
C
n
A
n
C
N
S
C
C
N
n
n
A
C
N
N
N
n
n
n
S
N
S
N
C
A
S
A
N
S
A
A
A
S
C
N
A
S
N