4

4

0

0

0

0

0

0

0

0

0

0

1

1

0

0

0

0

0

0

4

4

8

8

4

4

9

9

12

12

0

0

18

18

1

1

3

3

1

1

5

5

3

3

12

12

9

9

4

4

18

18

28

28

0

0

10

10

2

2

38

38

5

5

4

4

10

10

3

3

1

1

10

10

9

9

10

10

3

3

15

15

16

16

14

14

11

11

9

9

3

3

3

3

11

11

21

21

2

2

3

3

10

10

6

6

0

0

12

12

17

17

1

1

25

25

12

12

6

6