1850_250c   1850_227
    0       5.07      4.80
    1       7.58     15.82
    2       0.76      0.30
    3       7.29      8.94
    4       2.80      2.24
    5       4.46      9.41
    6       1.74      1.14
    7       3.85      9.49
    8       1.48      1.13
    9       3.59      6.01
   10      -0.74     -1.10
   11       7.94      3.69
   12      19.14     20.06