1

1

1

1

1

1

1

1

1

4

1

6

2

1

1

1

1

1

1

7

1

1

10

1

1

1

1

1

1

1

11

12

1

1

1

1

1

1

1

1

1

1

1

1

1

1

30

1

1

1