e
c
B
A
A
e
c
B
A
A
d
B
A
G
G
d
B
A
G
G
e
G
c
d
e
d
e
d
e
d
G
B
c
d
B
d
e
d
B
G
c
B
A
a
A
c
B
A
a
A
B
A
G
g
G
B
A
G
g
B
c
B
A
a
A
c
B
A
a
A
B
c
d
e
d
c
B
A
A
B
c
B
A
a
A
c
B
A
a
A
B
A
G
g
G
B
A
G
g
B
c
B
A
a
A
c
B
A
a
A
B
c
d
e
d
c
B
A
A
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