4

1

1

7

0

0

-1

1

1

-1

0

2

-1

3

5

-1

3

4

6

1

2

3

1

1

0

0

0

0

0

0

0

3

4

0

0

3

-1

2

5

-1

0

0

6

0

2

5

2

6

-1

1

2

-1

2

3

9

3

3

2

1

2