9

1

3

4

2

4

7

0

1

0

0

0

7

0

0

2

0

0

4

0

0

3

1

4

0

0

1

0

0

2

0

1

2

0

0

1

0

1

1

0

0

0

0

1

2

0

1

1

0

0

0

0

0

0

0

0

1

0

0

2