3 3

0 2

1 2

2 1

1 1

1 2

3 1

4 1

1 4

1 5

2 2

0 1

0 0

4 0

2 1

0 1

1 0

0 2

1 0

0 1

2 3

1 3

0 2

1 0

1 0

2 2

1 0

2 3

0 0

0 1

1 1

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0 2

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2 0

1 1

1 0

5 0

2 1

0 1

0 4

2 2

0 1

1 3

4 2

2 1

1 4

2 1

7 0

3 1

2 0

0 1

0 0

1 2

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0 3

1 2

0 5

1 1

3 2

1 1

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4 0

4 3

3 0

3 1

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5 1

1 0

3 0

0 4

0 1

1 2

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2 0

1 1

2 3

0 1

4 1

2 4

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2 0

1 1

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1 0

3 2

1 1

1 0

0 2

1 2

5 2

2 1

0 0

1 3

4 2

0 4

2 1

1 1

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1 0

1 3

1 1

0 1

3 1

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3 0

4 1

1 2

1 4

2 0

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3 0

0 0

2 1

1 2

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2 0

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1 2

1 4

2 6

2 0

3 0

2 0

0 0

2 4

1 0

2 2

0 0

0 1

0 3

0 4

3 0

1 0

0 2

1 0

6 0

1 0

0 0

1 0

5 1

1 1