C
A
S
T
A
T
S
C
C
F
F
S
T
A
T
C
S
C
C
C
S
A
S
A
F
T
C
F
A
A
C
A
A
S
S
F
F
S
F
S
T
A
F
T
C
T
T
C
F
S
T
A
F
C
T
T
C
S
F
C
F
A
C