2

0

0

2

0

0

0

0

0

0

0

0

1

0

0

1

8

0

4

0

0

0

0

0

0

0

0

0

0

0

0

0

8

0

2

4

6

0

2

2

0

0

0

0

5

0

2

1

15

0

6

3

0

0

0

0