-1

0

2

-1

0

1

-1

0

1

-1

0

1

-1

0

0

-1

0

0

-1

0

7

-1

0

1

-1

0

6

-1

0

1

-1

0

0

-1

0

3

0

0

0

0

0

0

-1

0

1

-1

0

0

-1

0

4

-1

0

0

-1

0

1

-1

1

2