2 1

1 0

0 0

1 0

3 0

1 0

0 1

1 3

0 0

1 1

0 1

2 1

3 2

4 1

1 2

1 0

0 1

2 0

2 0

4 0

0 0

4 1

1 0

4 1

0 1

1 0

2 3

2 0

1 0

1 0