6

6

6

6

2

2

0

0

5

5

10

10

3

3

9

9

1

1

18

18

3

3

1

1

3

3

4

4

7

7

15

15

7

7

3

3

1

1

1

1

3

3

3

3

1

1

1

1

6

6

2

2

4

4

4

4

8

8

1

1

2

2

0

0

7

7

4

4

0

0

4

4

4

4

6

6

2

2

1

1

4

4

0

0

4

4

0

0

10

10

8

8

1

1

4

4

2

2

4

4

3

3

3

3

3

3

0

0

0

0

2

2

3

3

1

1

2

2

4

4

0

0

0

0

2

2

9

9

2

2

7

7

5

5

3

3

1

1

2

2

0

0

3

3

0

0

0

0

0

0

21

21

2

2

0

0

3

3

8

8

0

0

1

1

1

1

0

0

3

3

0

0

2

2

0

0

0

0

0

0

0

0

0

0

0

0

1

1

2

2

0

0

0

0

2

2

0

0

0

0

0

0

2

2

6

6

2

2

0

0

3

3

2

2

2

2

2

2

0

0

1

1

3

3

1

1

2

2

1

1

1

1

0

0

1

1

1

1

1

1