2

0

1

0

2

0

1

0

0

0

0

0

0

0

0

0

2

0

1

0

0

0

0

0

0

0

0

0

0

0

0

0

2

0

1

0

8

0

4

0

0

0

0

0

0

0

0

0

10

0

5

0