-1

0

1

-1

0

2

-1

1

4

-1

0

0

-1

0

0

-1

2

2

-1

0

2

-1

0

0

-1

0

1

-1

0

3

-1

1

1

-1

1

1

-1

0

1

-1

4

5

-1

0

4

-1

0

1

-1

0

1

-1

0

0

-1

0

0

-1

0

4