2020  8  2  4                512       
1.    
2.    
3.    
4.    
5.    
6.    
7.   
8.    
9.   
10.    
11.    
12.    
13.    
14.      
15.    
16.   
17.    
18.   
19.      
20.    
21.     
22.    
23.    
24.    
25.    
26.    
27.      
28.    
29.    
30.    
31.   
32.    