1 2

5 0

0 1

1 0

1 0

0 0

1 1

0 2

2 1

0 1

1 3

2 1

2 0

2 1

2 1

0 0

0 1

0 1

2 0

0 0

1 0

3 0

3 1

1 1

1 0

1 2

0 1

1 1

1 0

0 1

1 1

2 2

0 1

2 1

2 1

0 3

3 0

1 0

0 0

2 1

0 1

1 2