0 0

0 0

2 0

1 1

1 1

1 3

1 1

1 0

0 2

1 1

2 0

3 0

2 0

0 0

2 0

0 0

0 0

2 0

0 0

1 3

3 2

2 1

2 1

2 2

2 1

1 0

1 0

3 1

3 1

4 1