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