2

2

2

2

1

1

2

2

1

1

1

1

2

2

0

0

3

3

0

0

4

4

20

20

0

0

0

0

3

3

1

1

6

6

3

3

2

2

0

0

0

0

4

4

6

6

2

2

3

3

0

0

1

1

3

3

1

1

2

2

6

6

1

1

2

2

2

2

2

2

2

2

1

1

1

1

1

1

2

2

0

0

2

2

2

2

1

1

1

1

0

0

2

2

0

0

0

0

0

0

1

1

1

1

0

0

0

0

17

17

5

5

5

5

2

2

6

6

0

0

1

1

0

0

1

1

1

1

0

0

0

0

5

5

0

0

6

6

3

3

3

3

0

0

0

0

1

1

0

0

1

1

0

0

0

0

0

0

1

1

2

2

0

0

1

1

0

0

0

0

0

0

0

0

3

3

1

1

4

4

1

1

3

3

3

3

3

3

1

1

1

1

1

1

1

1

1

1

2

2

2

2

1

1

0

0

0

0

0

0

1

1

1

1

0

0

0

0

0

0

3

3

0

0

1

1

5

5

3

3

0

0

0

0

1

1

0

0

0

0