B
H
G
B
T
S
B
G
B
S
G
G
H
S
H
T
T
G
S
S
T
B
B
B
T
G
H
S
S
H
H
H
H
B
S
H
G
T
G
T
G
B
B
T
B
G
G
H
S
T
T
B
G
S
G
G
S
B
H
H
T
B
H
T
H
S
H
S
S
T
T
S
B
T