-1

0

1

-1

0

0

-1

1

2

-1

0

4

-1

0

0

-1

2

3

11

1

2

9

0

1

-1

0

0

-1

2

4

-1

0

0

-1

0

0

-1

0

1

-1

1

2

-1

0

2

-1

0

0