3 2

2 0

4 0

1 0

0 0

0 0

1 1

0 2

1 0

2 1

0 0

3 2

2 0

1 0

2 0

1 2

0 1

0 1

2 2

0 0

2 2

2 2

2 0

0 2

1 1

1 2

1 1

0 1

0 2

1 1

0 2

2 1

0 1

2 1

2 4

2 1

6 0

0 1

2 1

0 1

0 0

1 1

0 0

1 4

1 1

1 1

0 0

2 3

2 1

4 3

0 1

2 1

1 1

5 1

2 2

2 1