2

2

3

4

0

0

4

0

0

9

0

1

7

3

4

6

1

1

4

0

0

7

1

2

5

3

3

8

0

0

5

0

0

6

0

3

0

0

0

0

0

1

2

0

0

8

2

2

5

3

6

2

0

1

4

0

0

7

2

3