2 2

0 1

1 1

0 0

1 0

0 1

0 1

2 1

1 1

0 0

2 0

1 0

2 0

0 2

0 0

2 0

0 0

3 1

2 0

1 0

2 2

1 0

3 0

1 1

3 1

0 0

0 1

1 0

1 0

0 0

0 0

4 4

1 3

1 1

3 1

1 1

0 1

0 1

0 2

0 0

2 2

1 0

2 0

1 0

1 2

3 2

0 1

1 1

2 1

4 0

0 0

2 1

0 1

3 0

2 1

3 1

2 0

1 1

0 0

2 1

0 2

0 0

0 0

1 0

2 1

1 0

2 0

0 0

3 0

2 0

3 0

2 3

2 0

2 1

0 0

3 0

1 1

0 0

2 2

0 0

1 1

0 0

3 0

1 0

0 1