4  0.367923 
7  
7  
5  
6  
3  
6  
6  
4  0.601169 
5  
5  
6  
5  
4  0.805159 
7  
5  
5  
1  2 
4  0.083481 
7  
4  0.449416 
4  0.308893 
3  
7  
5  
