2

0

1

0

2

0

1

0

20

0

8

4

0

0

0

0

0

0

0

0

5

0

2

1

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

10

0

4

2

3

0

1

1

2

0

0

2

0

0

0

0