-1

1

4

-1

0

0

-1

0

1

-1

0

2

-1

0

2

-1

0

1

-1

0

2

-1

0

0

1

0

1

7

4

7

6

0

2

8

0

2

-1

0

3

-1

0

3

-1

0

4

-1

0

2

-1

0

0

-1

0

1

-1

0

4

-1

1

2