2 0

1 0

1 1

2 1

1 1

2 0

1 2

2 1

2 0

2 1

0 1

0 1

0 0

3 0

0 0

1 0

1 0

2 0

2 2

1 1

1 1

0 0

2 0

2 1

2 0

3 2

1 0

1 2

0 3

0 1

1 0

2 0

2 3

1 1

1 0

2 0

0 0

2 2

1 2

0 2

2 0

3 0

1 0

2 0

1 0

0 4

1 0

3 2

3 0

1 2

2 0

2 0

0 0

1 1

1 2

3 4