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