1 1

1 1

2 2

0 1

0 2

3 2

3 3

1 0

1 0

1 2

2 1

3 0

0 2

1 0

3 3

3 0

1 2

1 1

2 3

1 2

4 1

1 1

3 4

1 1

1 1

2 2

1 1