4  0.388426 
3  
7  
6  
4  0.133790 
6  
1  3 
5  
2  1 0.302558 
4  0.759226 
1  2 
7  
1  1 
7  
5  
4  0.343993 
3  
2  2 0.717578 
3  
1  3 
