0 0

1 1

0 1

0 2

1 1

2 1

1 2

3 1

1 0

2 2

2 1

1 2

1 1

1 0

2 1

2 2

2 1

1 1

3 1

3 1

0 0

2 2

0 1

0 0

2 3

1 1

3 1

1 1

3 4

0 0

3 3

3 2

1 2

0 1

1 1

1 0

4 4

4 1

3 2

2 1

2 1

1 1

0 1

1 0

2 0

0 0

0 3

2 2

1 0

1 3

0 0

0 4

1 3

1 2

0 0

0 2

0 1

3 1

2 2

1 0

2 0

2 0

3 0

1 1

1 1

2 4