2  1 0.845186 
7  
1  2 
1  2 
4  0.322358 
1  2 
4  0.789185 
6  
2  1 0.278628 
4  0.513097 
3  
3  
2  2 0.551441 
7  
1  2 
7  
3  
6  
4  0.960708 
5  
3  
3  
3  
