1

1

1

1

1

1

0

0

0

0

2

2

0

0

0

0

0

0

0

0

0

0

11

11

1

1

0

0

9

9

0

0

0

0

1

1

12

12

2

2

0

0

0

0

11

11

4

4

8

8

3

3

8

8

1

1

15

15

15

15

10

10

8

8

17

17

15

15

12

12

2

2

10

10

6

6

1

1

17

17

1

1

12

12

0

0

8

8

14

14

5

5

13

13

2

2

3

3

1

1

16

16

20

20

9

9

17

17

17

17

25

25

2

2

38

38

7

7

21

21