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