-1

1

1

-1

0

0

-1

1

2

-1

0

1

-1

0

1

-1

2

3

-1

0

0

-1

2

3

-1

0

1

-1

0

0

-1

0

0

-1

0

3

0

2

3

0

0

0

0

0

3

0

0

0

0

1

1

0

2

2

0

0

0

0

0

1

0

1

4

0

0

0

0

1

1

0

0

1