4

3

5

2

1

1

0

0

2

0

0

1

3

0

1

4

0

2

1

0

1

1

0

1

0

0

4

0

0

2

2

0

0

8

2

6

1

0

1

3

0

0

3

0

0

4

1

1

0

0

0

0

0

0

0

0

0

0

0

0