7

7

12

12

8

8

2

2

1

1

2

2

6

6

10

10

4

4

5

5

5

5

7

7

0

0

0

0

3

3

1

1

5

5

3

3

1

1

1

1

0

0

0

0

0

0

0

0

0

0

1

1

0

0

1

1

3

3

1

1

6

6

0

0

0

0

1

1

0

0

1

1

1

1

0

0

0

0

1

1

0

0

13

13

5

5

11

11

9

9

3

3

0

0

0

0

4

4

0

0

2

2

1

1

0

0

2

2

0

0

1

1

0

0

3

3

0

0

0

0

1

1

4

4

1

1

1

1

2

2

1

1

2

2

0

0

0

0

3

3

2

2

3

3

2

2

1

1

2

2

0

0

0

0

1

1

2

2

0

0

1

1

3

3

7

7

2

2

3

3

2

2

3

3

6

6

1

1

0

0

0

0

1

1

0

0

3

3

0

0

2

2

0

0

0

0

0

0

1

1

1

1

2

2

1

1

2

2

3

3

6

6

1

1

1

1

2

2

0

0

0

0

1

1

1

1

0

0

2

2

1

1

1

1

0

0

1

1

0

0