14  iter    data misfit       model norm              beta
       0       5.86595E+04       0.00000E+00       0.00000E+00
       1       2.93298E+04       1.78131E-01       6.37044E+04
       2       1.46622E+04       7.62402E-01       1.23494E+04
       3       7.33827E+03       1.97756E+00       3.15138E+03
       4       3.69116E+03       3.63935E+00       1.34889E+03
       5       1.83831E+03       5.55702E+00       6.23201E+02
       6       9.06295E+02       7.76502E+00       2.52300E+02
       7       4.52929E+02       1.10434E+01       5.90843E+01
       8       2.33770E+02       1.57679E+01       3.87651E+00
       9       1.25177E+02       2.02946E+01       1.93825E+00
      10       8.56434E+01       2.27540E+01       9.69127E-01
      11       5.36850E+01       2.65060E+01       5.09212E-01
      12       4.46230E+01       2.75984E+01       1.97938E+00
      13       4.44143E+01       2.65756E+01       4.46061E+00
      14       4.49992E+01       2.59337E+01       4.80820E+00
 4.50000E+01 target misfit
          45 number of data