8  iter    data misfit       model norm              beta
       0       1.20080E+05       0.00000E+00       0.00000E+00
       1       6.03730E+04       1.88364E+01       6.31603E+02
       2       3.02637E+04       3.81202E+01       7.56581E+02
       3       1.51319E+04       5.40288E+01       5.43758E+02
       4       7.56594E+03       6.83143E+01       3.32316E+02
       5       3.78297E+03       8.19887E+01       1.75894E+02
       6       1.89146E+03       9.38829E+01       1.02701E+02
       7       1.82000E+03       9.41343E+01       1.04156E+02
       8       1.82000E+03       9.39651E+01       1.10521E+02
 1.82000E+03 target misfit
         182 number of data