1  1 
2  1 0.180733 
1  3 
4  0.586082 
2  1 0.448926 
1  2 
2  1 0.814646 
6  
7  
4  0.638625 
4  0.348308 
7  
7  
7  
7  
3  
6  
4  0.415540 
4  0.801732 
3  
5  
5  
4  0.418967 
6  
6  
5  
6  
3  
5  
7  
