18

18

0

0

1

1

0

0

0

0

1

1

0

0

2

2

1

1

2

2

9

9

2

2

0

0

3

3

6

6

0

0

5

5

14

14

4

4

0

0

3

3

9

9

0

0

4

4

4

4

8

8

4

4

2

2

16

16

33

33

0

0

0

0

7

7

2

2

0

0

0

0

2

2

1

1

9

9

0

0

0

0

3

3

3

3

9

9

2

2

0

0

4

4

3

3

1

1

0

0

6

6

0

0

1

1

0

0

0

0

1

1

0

0

2

2

1

1

1

1

1

1

2

2

1

1

0

0

0

0

3

3

4

4

0

0

0

0

0

0

2

2

2

2

3

3

2

2

20

20

4

4

6

6

2

2

3

3

4

4

1

1

0

0

1

1

1

1

2

2

1

1

0

0

0

0

0

0

3

3

0

0

2

2

3

3

2

2

1

1

5

5

4

4

0

0

0

0

1

1

1

1

3

3

2

2

16

16

1

1

8

8

9

9

12

12

8

8

11

11

1

1

0

0

2

2

3

3

3

3

4

4

23

23

3

3

4

4

8

8