0

2

4

0

1

2

0

0

7

0

0

1

0

1

2

0

0

0

0

2

4

0

0

0

-1

2

3

-1

1

1

-1

0

0

-1

0

1

-1

1

4

-1

0

4

-1

1

2

-1

0

0

-1

0

0

-1

0

2

0

0

1

0

0

0