21     
2     
3 3    
10 10    
0 50 50 0  
1 13.3592 21.44 0  
2 40.6484 81.2047 1  
3 69.3309 14.3795 1  
4 8.2801 78.3992 0  
5 80.7394 9.6994 1  
6 96.0755 17.3459 0  
7 71.5359 49.1575 1  
8 47.9623 24.4751 1  
9 78.9444 6.1537 1  
10 27.4941 26.3776 1  
11 13.3592 21.44 1  
12 40.6484 81.2047 1  
13 69.3309 14.3795 1  
14 8.2801 78.3992 1  
15 80.7394 9.6994 1  
16 96.0755 17.3459 1  
17 71.5359 49.1575 0  
18 47.9623 24.4751 1  
19 78.9444 6.1537 1  
20 27.4941 26.3776 1  
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
