7

0

4

3

0

4

-1

0

2

-1

0

2

-1

0

6

-1

0

4

-1

0

3

-1

0

5

9

0

4

6

0

4

8

0

4

5

0

2

7

0

9

1

0

1

-1

0

3

-1

0

4

-1

0

3

-1

0

6

-1

0

3

-1

0

2