21     
2     
3 3    
10 10    
0 50 50 0  
1 31.5092 48.3311 0  
2 81.3269 10.538 0  
3 89.4204 68.58 0  
4 34.7426 67.0549 1  
5 46.1501 83.7575 0  
6 46.4747 77.6014 1  
7 63.1714 80.8758 1  
8 15.7876 90.2543 1  
9 23.3303 9.6691 1  
10 71.5152 35.664 1  
11 31.5092 48.3311 1  
12 81.3269 10.538 1  
13 89.4204 68.58 1  
14 34.7426 67.0549 1  
15 46.1501 83.7575 1  
16 46.4747 77.6014 1  
17 63.1714 80.8758 1  
18 15.7876 90.2543 1  
19 23.3303 9.6691 1  
20 71.5152 35.664 1  

     
     
     
     
     
     
     
     
     
     
     
