10

10

20

20

27

27

1

1

5

5

1

1

0

0

1

1

2

2

4

4

3

3

5

5

1

1

4

4

3

3

9

9

7

7

0

0

1

1

2

2

3

3

8

8

1

1

2

2

0

0

2

2

4

4

2

2

0

0

5

5

9

9

2

2

4

4

2

2

5

5

2

2

1

1

1

1

0

0

0

0

8

8

6

6

0

0

8

8

6

6

4

4

1

1

10

10

5

5

13

13

5

5

4

4

2

2

0

0

0

0

4

4

0

0

4

4

2

2

0

0

1

1

3

3

5

5

9

9

4

4

4

4

0

0

3

3

0

0

2

2

1

1

1

1

1

1

0

0

0

0

3

3

11

11

9

9

4

4

17

17

0

0

2

2

3

3

2

2

1

1

1

1

1

1

1

1

2

2

0

0

7

7

5

5

0

0

5

5

1

1

2

2

4

4

6

6

3

3

3

3

2

2

5

5

1

1

0

0

1

1

0

0

2

2

1

1

0

0

1

1

5

5

0

0

3

3

2

2

4

4

4

4

6

6

0

0

0

0

11

11