2 3

2 0

1 2

4 5

3 1

1 0

0 2

0 0

2 4

0 1

1 0

2 2

0 1

3 2

1 0

1 1

3 3

2 2

1 2

1 0

1 0

0 1

2 3

3 2

2 1

2 1

1 0

3 2

0 1

0 2