1        -2.5         6.5  
         1          -2           4  
         1           0           0  
         1         0.1         0.1  
         1         0.2         0.2  
         1         0.3         0.3  
         1         0.4         0.4  
         1         0.5         0.5  
         1         0.6         0.6  
         1         0.7         0.7  
         1         0.8         0.8  
         1         0.9         0.9  
         1           1           1  
         1         1.5         2.5  
         1         2.1         4.5  
         1         4.5        20.5  
         1           6          34