2 4

2 1

3 1

2 2

3 0

0 3

2 1

0 3

1 1

1 1

1 0

2 3

1 0

0 1

1 0

0 1

1 2

0 0

1 0

3 1

4 1

2 1

0 1

1 1

3 1

0 1

2 4

2 2