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