21     
2     
3 3    
10 10    
0 50 50 0  
1 81.7685 51.6053 1  
2 70.4015 42.1289 1  
3 4.0948 39.5569 0  
4 30.3655 45.035 1  
5 81.967 12.3858 1  
6 28.5641 86.9299 1  
7 80.2119 55.4557 1  
8 79.3845 83.6257 0  
9 76.8409 36.9516 1  
10 82.7432 20.7779 0  
11 81.7685 51.6053 1  
12 70.4015 42.1289 0  
13 4.0948 39.5569 1  
14 30.3655 45.035 1  
15 81.967 12.3858 1  
16 28.5641 86.9299 1  
17 80.2119 55.4557 0  
18 79.3845 83.6257 1  
19 76.8409 36.9516 0  
20 82.7432 20.7779 1  
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
