1850_66_tune2   1850_66
    0       6.16      6.30
    1      14.07      8.84
    2       0.92      1.17
    3       5.03      3.03
    4       4.40      4.59
    5       4.86      3.25
    6       2.49      2.64
    7       3.43      2.09
    8       0.95      1.22
    9       4.83      2.08
   10      -0.75     -0.35
   11       4.54      4.06
   12      20.81     21.32