4

0

2

0

0

0

0

0

5

0

2

1

3

1

0

0

2

0

1

0

0

0

0

0

0

0

0

0

0

0

0

0

8

0

3

2

4

0

2

0

2

0

1

0

2

0

1

0

6

0

2

2