  <DiscreteSampler_grid>
  TestDim
  2 # Attribute 'min_bin_probing_points' of the grid.
  1 # Attribute 'grid_mode' of the grid. 1=='default',2=='initialization'
 # binID   n_entries weight   weight_sqr   abs_weight
    1   2   8.281050326908220E-001   7.899253807710587E-001   8.281050326908220E-001
    2   4   2.088756099099344E+000   4.598392858654606E+000   2.088756099099344E+000
    3   2   -4.387452427662610E+001   1.961646806175171E+003   4.387452427662610E+001
    4   3   2.744386570832100E+000   7.560589246688632E+000   2.744386570832100E+000
    5   3   4.560766623497673E+000   2.175993865755125E+001   4.560766623497673E+000
    6   2   6.375019181455060E+000   4.189682049413413E+001   6.375019181455060E+000
    7   4   2.139415833756599E+000   4.674211939622873E+000   2.139415833756599E+000
    8   4   2.967945968535818E+000   8.995661610598457E+000   2.967945968535818E+000
    9   3   1.164029928954192E+000   1.407310532012324E+000   1.164029928954192E+000
    10   3   3.097229747952634E+000   9.710057117761012E+000   3.097229747952634E+000
  </DiscreteSampler_grid>
  <DiscreteSampler_grid>
  TestDim
  2 # Attribute 'min_bin_probing_points' of the grid.
  1 # Attribute 'grid_mode' of the grid. 1=='default',2=='initialization'
 # binID   n_entries weight   weight_sqr   abs_weight
    1   2   8.281050326908220E-001   7.899253807710587E-001   8.281050326908220E-001
    2   4   2.088756099099344E+000   4.598392858654606E+000   2.088756099099344E+000
    3   2   -4.387452427662610E+001   1.961646806175171E+003   4.387452427662610E+001
    4   3   2.744386570832100E+000   7.560589246688632E+000   2.744386570832100E+000
    5   3   4.560766623497673E+000   2.175993865755125E+001   4.560766623497673E+000
    6   2   6.375019181455060E+000   4.189682049413413E+001   6.375019181455060E+000
    7   4   2.139415833756599E+000   4.674211939622873E+000   2.139415833756599E+000
    8   4   2.967945968535818E+000   8.995661610598457E+000   2.967945968535818E+000
    9   3   1.164029928954192E+000   1.407310532012324E+000   1.164029928954192E+000
    10   3   3.097229747952634E+000   9.710057117761012E+000   3.097229747952634E+000
  </DiscreteSampler_grid>
  <DiscreteSampler_grid>
  TestDim
  2 # Attribute 'min_bin_probing_points' of the grid.
  1 # Attribute 'grid_mode' of the grid. 1=='default',2=='initialization'
 # binID   n_entries weight   weight_sqr   abs_weight
    1   2   8.281050326908220E-001   7.899253807710587E-001   8.281050326908220E-001
    2   4   2.088756099099344E+000   4.598392858654606E+000   2.088756099099344E+000
    3   2   -4.387452427662610E+001   1.961646806175171E+003   4.387452427662610E+001
    4   3   2.744386570832100E+000   7.560589246688632E+000   2.744386570832100E+000
    5   3   4.560766623497673E+000   2.175993865755125E+001   4.560766623497673E+000
    6   2   6.375019181455060E+000   4.189682049413413E+001   6.375019181455060E+000
    7   4   2.139415833756599E+000   4.674211939622873E+000   2.139415833756599E+000
    8   4   2.967945968535818E+000   8.995661610598457E+000   2.967945968535818E+000
    9   3   1.164029928954192E+000   1.407310532012324E+000   1.164029928954192E+000
    10   3   3.097229747952634E+000   9.710057117761012E+000   3.097229747952634E+000
  </DiscreteSampler_grid>