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