8}

1 1} 

2 2} 

3 3} 

4 4} 

5 5} 

6 6} 

7 7} 

8 8} 

9 9} 

10 10} 

11 11} 

12 12} 

13 13} 

14 14} 

15 15} 

16 16} 

17 17} 