4 2

0 0

0 1

3 0

2 2

0 0

0 0

0 0

0 0

0 0

4 1

0 0

0 0

0 0

0 0

3 1

0 0

0 0

0 0

0 0

0 0

0 0

0 0

3 1

0 4

2 1

2 0

0 0

0 0

0 0

1 2

0 0

2 4

2 0

1 1

0 2

4 2

0 0

2 1

3 4

1 1

0 0

0 0

0 0

2 0

0 4

7 0

0 2

0 0

0 0

0 0

0 0

6 5

0 0

6 0

0 1

1 2

4 1

0 0

2 1

6 1

2 4

4 2

5 2

0 0

0 0

0 0

2 2

5 3

6 0

1 0

2 0

1 3

1 5

2 0

6 1

1 4

5 0

2 0

1 3

6 0

3 3

2 1

1 0

3 1

1 1

2 2

3 0

1 1

1 1

0 0

2 0

1 1

3 5

1 1

5 1

6 1

2 2

3 0

2 0

1 3

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1 1

1 4

1 2

0 3

3 6

0 0

1 0

1 2

0 1

5 0

0 2

4 1