1850_250c   1850_227
    0       2.18      2.17
    1      12.14     12.19
    2      -0.34      0.20
    3      18.16     19.17
    4      -0.75     -0.00
    5      13.05     16.22
    6      -0.47      0.03
    7      10.31     16.37
    8      -0.15      0.19
    9      14.99     16.06
   10      -0.12      0.45
   11      28.27     12.97
   12      85.36     85.80