4

3

3

1

0

0

-1

0

3

-1

0

0

6

3

7

0

0

1

1

0

1

2

0

2

-1

0

0

-1

1

3

9

2

5

0

1

1

6

3

8

3

1

2

0

0

0

0

2

5

0

0

0

0

2

4

0

0

0

1

5

8