B
C
B
T
F
F
G
B
T
G
G
C
B
F
T
F
G
F
F
T
B
B
B
G
F
F
T
T
C
C
B
T
B
T
B
C
T
G
F
B
F
C
C
T
G
G
G
C
G
G
B
F
C
C
F
G
C
C
B
T
C
F
T
F
B
C
B
T
G
G
C
T
F
T