4 3

2 3

6 1

1 0

2 0

0 2

2 2

1 1

1 1

2 1

2 0

4 0

1 1

2 2

0 0

4 0

2 2

3 3

0 0

1 1

2 4

0 1

2 3

1 2

1 1

2 2