13

13

20

20

21

21

33

33

2

2

8

8

2

2

0

0

0

0

2

2

0

0

1

1

5

5

9

9

1

1

9

9

4

4

3

3

0

0

0

0

2

2

1

1

1

1

1

1

5

5

0

0

0

0

6

6

2

2

2

2

2

2

1

1

1

1

1

1

16

16

5

5

3

3

5

5

2

2

0

0

12

12

3

3

2

2

0

0

2

2

0

0

3

3

0

0

3

3

0

0

3

3

1

1

2

2

2

2

4

4

0

0

5

5

6

6

9

9

3

3

0

0

4

4

1

1

0

0

0

0

0

0

2

2

0

0

3

3

2

2

1

1

1

1

3

3

1

1

3

3

4

4

18

18

6

6

23

23

2

2

3

3

4

4

0

0

1

1

0

0

1

1

2

2

0

0

2

2

0

0

1

1

2

2

0

0

0

0

0

0

2

2

4

4

2

2

0

0

0

0

1

1

1

1

2

2

0

0

0

0

1

1

0

0

3

3

3

3

0

0

3

3

5

5

6

6

3

3

2

2

1

1

0

0

4

4

4

4

1

1