1  3 
2  2 0.161821 
1  3 
5  
1  3 
6  
2  2 0.802038 
4  0.834445 
1  3 
4  0.214487 
7  
6  
3  
3  
7  
5  
1  3 
3  
7  
6  
1  1 
2  2 0.463584 
5  
