9

0

3

3

0

0

0

0

0

0

0

0

0

0

0

0

6

0

2

2

0

0

0

0

7

0

2

3

7

0

2

3

8

1

2

1

0

0

0

0

0

0

0

0

1

0

0

1

15

1

5

2

0

0

0

0