尽量
I
N
N
N
G
I
B
I
O
B
G
O
O
G
N
O
G
I
O
G
I
B
B
B
Size:
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Start
I
History
Start
I
N
N
N
G
I
B
I
O
B
G
O
O
G
N
O
G
I
O
G
I
B
B
B
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