0

1

1

0

1

4

-1

0

1

-1

0

2

-1

1

3

-1

0

1

-1

2

2

-1

1

3

-1

1

3

-1

2

4

0

0

0

0

0

0

0

2

3

0

1

1

0

0

1

0

1

3

-1

1

3

-1

2

3

-1

0

1

-1

1

3

-1

0

2

-1

0

4

-1

0

0

-1

0

1

3

1

1

2

1

2

-1

0

1

-1

0

0