#        cent         mass
            0     0.115698
            2     0.219806
            4     0.273168
            6      0.30697
            8     0.344568
           10     0.370387
           12     0.403899
           14     0.437655
           16     0.465888
           18     0.503867
           20     0.532681
           22     0.568464
           24     0.608058
           26     0.643484
           28     0.684252
           30     0.722011
           32     0.767584
           34     0.819631
           36     0.860051
           38     0.910448
           40     0.955316
           42     0.993342
           44      1.04575
           46      1.09602
           48      1.14892
           50      1.20655
           52      1.24521
           54      1.28951
           56      1.36343
           58      1.43851
           60      1.51348
           62      1.57762
           64      1.64119
           66      1.71467
           68      1.78718
           70      1.87811
           72      1.95221
           74       2.0248
           76      2.11637
           78       2.1917
           80      2.25399
           82          2.3
           84          2.3
           86          2.3
           88          2.3
           90          2.3
           92          2.3
           94          2.3
           96          2.3
           98          2.3
          100          2.3