10

10

2

2

0

0

0

0

15

15

3

3

10

10

21

21

0

0

0

0

1

1

3

3

1

1

1

1

4

4

1

1

0

0

3

3

3

3

0

0

1

1

0

0

3

3

8

8

0

0

5

5

2

2

0

0

3

3

0

0

1

1

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

4

4

1

1

0

0

2

2

1

1

3

3

1

1

1

1

1

1

1

1

0

0

0

0

0

0

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

1

1

1

1

0

0

2

2

2

2

0

0

1

1

1

1

0

0

1

1

6

6

9

9

4

4

18

18

8

8

27

27

8

8

14

14

4

4

2

2

0

0

7

7

0

0

0

0

0

0

0

0

0

0

3

3

0

0

0

0

7

7

1

1

1

1

0

0

0

0

6

6

0

0

0

0

0

0

2

2

5

5

1

1

2

2

4

4

6

6

9

9

1

1

1

1

0

0

1

1

1

1

9

9

1

1

0

0

1

1

3

3

0

0

0

0

3

3