1 2

1 0

3 0

0 1

1 2

1 2

0 3

2 0

0 0

1 0

2 1

1 0

2 0

1 2

0 1

4 0

2 1

2 3

1 0

2 1

2 0

0 0

1 2

2 0

1 1

0 2

2 1

2 1

1 2

2 2