1

1

3

3

1

1

0

0

2

2

7

7

6

6

17

17

11

11

5

5

0

0

0

0

0

0

1

1

0

0

12

12

1

1

2

2

0

0

2

2

3

3

1

1

4

4

4

4

5

5

4

4

0

0

0

0

0

0

0

0

0

0

0

0

5

5

2

2

0

0

3

3

1

1

0

0

0

0

0

0

0

0

2

2

1

1

0

0

1

1

0

0

0

0

0

0

2

2

0

0

6

6

0

0

1

1

0

0

1

1

1

1

0

0

0

0

0

0

3

3

2

2

3

3

7

7

7

7

1

1

0

0

0

0

0

0

0

0

1

1

0

0

5

5

0

0

9

9

1

1

7

7

0

0

4

4

1

1

0

0

0

0

0

0

2

2

0

0

1

1

0

0

0

0

0

0

1

1

1

1

4

4

3

3

1

1

1

1

1

1

3

3

0

0

1

1

3

3

6

6

5

5

4

4

0

0

8

8

6

6

5

5

3

3

6

6

1

1

3

3

0

0

3

3

0

0

1

1

1

1

1

1

2

2

0

0

0

0

0

0