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