1

1

1

1

1

1

12

1

1

1

1

1

4

2

1

1

1

1

1

1

2

1

1

1

1

1

1

1

1

6

1

1

1

1

1

1

1

1

1

1

1

2

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

24