3 0

1 0

0 1

1 0

0 0

1 1

0 0

2 0

0 1

0 1

1 2

1 0

4 1

4 0

2 2

2 1

0 0

1 0

1 0

2 0

2 1

1 0

0 0

2 0

0 0

4 1

0 0

2 2

0 1

2 4

0 4

3 1

0 0

3 1

4 0

1 0

0 0

0 1

1 0

0 0

2 3

0 1

1 2

3 0

1 0

1 1

1 0

0 3

0 0

1 1

4 2

2 2

0 3

1 0

0 0

2 1