B
A
G
B
A
G
F
A
G
B
A
G
F
G
E
G
D
G
G
G
D
G
A
B
c
d
g
g
g
f
d
c
A
g
a
g
d
d
d
g
d
a
d
g
f
d
e
f
f
e
g
f
c
c
c
f
g
a
g
f
d
c
f
d
g
g
f
g
d
d
d
g
d
a
d
g
f
d
e
f
f
e
g
f
c
c
c
f
g
a
g
f
d
c
f
d
g
g
f
g
d
d
d
g
d
a
d
g
f
d
e
f
f
d
f
g
g
f
g
a
a
g
f
d
c
A
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