7  
7  
4  0.074117 
6  
1  2 
4  0.146765 
7  
5  
2  2 0.300477 
6  
4  0.883224 
2  2 0.818563 
3  
7  
3  
2  2 0.830589 
7  
2  2 0.587827 
6  
4  0.622651 
