1

1

1

1

89

1

1

1

3

1

1

1

1

1

41

1

1

1

17

1

1

1

1

1

1

1

1

1

1

1

1

1

1

28

1

1

1

1

1

1

1

1

1

1

1

1

1

20

1

1