1850_259c   1850_227
    0       2.20      2.25
    1      20.87     16.02
    2       0.24     -0.47
    3      26.64     27.65
    4      -0.02     -0.87
    5      28.00     15.85
    6       0.22     -0.61
    7      25.10     18.60
    8       0.15     -0.30
    9      15.67     19.05
   10       0.44     -0.27
   11      18.81     31.27
   12      85.59     84.95