7

1

2

3

1

1

0

0

3

0

0

0

0

0

2

0

0

0

0

1

1

0

1

1

0

2

4

0

0

0

0

1

1

0

0

1

0

0

1

0

0

2

0

0

1

0

0

0

0

1

3

0

0

0

0

1

4

0

0

0