0.9999999999999999    -1.665334536937735e-16       -0.4999999999999983
                         1                         2         3.499999999999996
        0.9999999999999994         3.999999999999997                      15.5
                         1         6.000000000000004          35.4999999999999
        0.9999999999999998         8.000000000000016         63.50000000000075
                         1         9.999999999999973         99.49999999999892