3

1

2

6

1

1

0

0

4

0

0

0

0

1

2

0

0

2

0

1

0

0

0

5

7

2

6

3

1

2

4

1

2

2

0

0

0

0

0

0

1

2

4

2

4

4

1

2

0

0

1

0

0

3

5

0

0

9

0

0