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0

1

0

0

1

0

1

1

0

0

0

0

1

1

0

0

1

0

0

0

0

1

2

0

0

1

0

1

2

0

0

0

0

1

1

0

0

0

0

2

3

0

0

0

0

0

0

0

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3

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1

1

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2

0

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1