text: #! FIELDS d1 d2 @4.bias der_d1 der_d2
  #! SET min_d1 0
  #! SET max_d1 2
  #! SET nbins_d1  5
  #! SET periodic_d1 false
  #! SET min_d2 0
  #! SET max_d2 2
  #! SET nbins_d2  5
  #! SET periodic_d2 false
      0.000000000    0.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    0.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    0.000000000    0.000000000    0.000000000    0.000000000
      1.500000000    0.000000000    0.000000000    0.000000000    0.000000000
      2.000000000    0.000000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    0.500000000    0.000000000    0.000000000    0.000000000
      0.500000000    0.500000000    0.000000000    0.000000000    0.000000000
      1.000000000    0.500000000    0.000000000    0.000000000    0.000000000
      1.500000000    0.500000000    0.000000000    0.000000000    0.000000000
      2.000000000    0.500000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    1.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    1.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    1.000000000    0.000000000    0.000000000    0.000000000
      1.500000000    1.000000000    0.000000000    0.000000000    0.000000000
      2.000000000    1.000000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    1.500000000    0.000000000    0.000000000    0.000000000
      0.500000000    1.500000000    0.000000000    0.000000000    0.000000000
      1.000000000    1.500000000    0.000000000    0.000000000    0.000000000
      1.500000000    1.500000000    0.000000000    0.000000000    0.000000000
      2.000000000    1.500000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    2.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    2.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    2.000000000    0.000000000    0.000000000    0.000000000
      1.500000000    2.000000000    0.000000000    0.000000000    0.000000000
      2.000000000    2.000000000    0.000000000    0.000000000    0.000000000
  #! FIELDS d1 d2 @4.bias der_d1 der_d2
  #! SET min_d1 0
  #! SET max_d1 2
  #! SET nbins_d1  5
  #! SET periodic_d1 false
  #! SET min_d2 0
  #! SET max_d2 2
  #! SET nbins_d2  5
  #! SET periodic_d2 false
      0.000000000    0.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    0.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    0.000000000    0.000000000    0.000000000    0.000000000
      1.500000000    0.000000000    0.000000000    0.000000000    0.000000000
      2.000000000    0.000000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    0.500000000    0.000000000    0.000000000    0.000000000
      0.500000000    0.500000000    0.000000000    0.000000000    0.000000000
      1.000000000    0.500000000    0.000000000    0.000000000    0.000000000
      1.500000000    0.500000000    0.000000000    0.000000000    0.000000000
      2.000000000    0.500000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    1.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    1.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    1.000000000    0.009918649    0.260456766    0.096413915
      1.500000000    1.000000000    0.018616831   -0.441976623    0.180964319
      2.000000000    1.000000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    1.500000000    0.000000000    0.000000000    0.000000000
      0.500000000    1.500000000    0.000000000    0.000000000    0.000000000
      1.000000000    1.500000000    0.000000000    0.000000000    0.000000000
      1.500000000    1.500000000    0.000000000    0.000000000    0.000000000
      2.000000000    1.500000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    2.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    2.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    2.000000000    0.000000000    0.000000000    0.000000000
      1.500000000    2.000000000    0.000000000    0.000000000    0.000000000
      2.000000000    2.000000000    0.000000000    0.000000000    0.000000000
  #! FIELDS d1 d2 @4.bias der_d1 der_d2
  #! SET min_d1 0
  #! SET max_d1 2
  #! SET nbins_d1  5
  #! SET periodic_d1 false
  #! SET min_d2 0
  #! SET max_d2 2
  #! SET nbins_d2  5
  #! SET periodic_d2 false
      0.000000000    0.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    0.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    0.000000000    0.000000000    0.000000000    0.000000000
      1.500000000    0.000000000    0.000000000    0.000000000    0.000000000
      2.000000000    0.000000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    0.500000000    0.000000000    0.000000000    0.000000000
      0.500000000    0.500000000    0.000000000    0.000000000    0.000000000
      1.000000000    0.500000000    0.000000000    0.000000000    0.000000000
      1.500000000    0.500000000    0.000000000    0.000000000    0.000000000
      2.000000000    0.500000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    1.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    1.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    1.000000000    0.009918649    0.260456766    0.096413915
      1.500000000    1.000000000    0.147455479   -0.757906398    2.279082955
      2.000000000    1.000000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    1.500000000    0.000000000    0.000000000    0.000000000
      0.500000000    1.500000000    0.000000000    0.000000000    0.000000000
      1.000000000    1.500000000    0.000000000    0.000000000    0.000000000
      1.500000000    1.500000000    0.001650351   -0.004046884   -0.055641830
      2.000000000    1.500000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    2.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    2.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    2.000000000    0.000000000    0.000000000    0.000000000
      1.500000000    2.000000000    0.000000000    0.000000000    0.000000000
      2.000000000    2.000000000    0.000000000    0.000000000    0.000000000
  #! FIELDS d1 d2 @4.bias der_d1 der_d2
  #! SET min_d1 0
  #! SET max_d1 2
  #! SET nbins_d1  5
  #! SET periodic_d1 false
  #! SET min_d2 0
  #! SET max_d2 2
  #! SET nbins_d2  5
  #! SET periodic_d2 false
      0.000000000    0.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    0.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    0.000000000    0.000000000    0.000000000    0.000000000
      1.500000000    0.000000000    0.000000000    0.000000000    0.000000000
      2.000000000    0.000000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    0.500000000    0.000000000    0.000000000    0.000000000
      0.500000000    0.500000000    0.000000000    0.000000000    0.000000000
      1.000000000    0.500000000    0.000000000    0.000000000    0.000000000
      1.500000000    0.500000000    0.000000000    0.000000000    0.000000000
      2.000000000    0.500000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    1.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    1.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    1.000000000    0.009918649    0.260456766    0.096413915
      1.500000000    1.000000000    0.326429114   -2.665984730    3.993984608
      2.000000000    1.000000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    1.500000000    0.000000000    0.000000000    0.000000000
      0.500000000    1.500000000    0.000000000    0.000000000    0.000000000
      1.000000000    1.500000000    0.000000000    0.000000000    0.000000000
      1.500000000    1.500000000    0.001650351   -0.004046884   -0.055641830
      2.000000000    1.500000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    2.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    2.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    2.000000000    0.000000000    0.000000000    0.000000000
      1.500000000    2.000000000    0.000000000    0.000000000    0.000000000
      2.000000000    2.000000000    0.000000000    0.000000000    0.000000000
  #! FIELDS d1 d2 @4.bias der_d1 der_d2
  #! SET min_d1 0
  #! SET max_d1 2
  #! SET nbins_d1  5
  #! SET periodic_d1 false
  #! SET min_d2 0
  #! SET max_d2 2
  #! SET nbins_d2  5
  #! SET periodic_d2 false
      0.000000000    0.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    0.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    0.000000000    0.000000000    0.000000000    0.000000000
      1.500000000    0.000000000    0.000000000    0.000000000    0.000000000
      2.000000000    0.000000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    0.500000000    0.000000000    0.000000000    0.000000000
      0.500000000    0.500000000    0.000000000    0.000000000    0.000000000
      1.000000000    0.500000000    0.000000000    0.000000000    0.000000000
      1.500000000    0.500000000    0.000000000    0.000000000    0.000000000
      2.000000000    0.500000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    1.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    1.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    1.000000000    0.009918649    0.260456766    0.096413915
      1.500000000    1.000000000    0.374700112   -2.710607032    5.036795586
      2.000000000    1.000000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    1.500000000    0.000000000    0.000000000    0.000000000
      0.500000000    1.500000000    0.000000000    0.000000000    0.000000000
      1.000000000    1.500000000    0.000000000    0.000000000    0.000000000
      1.500000000    1.500000000    0.010483058   -0.012211947   -0.306461908
      2.000000000    1.500000000    0.000000000    0.000000000    0.000000000
  
      0.000000000    2.000000000    0.000000000    0.000000000    0.000000000
      0.500000000    2.000000000    0.000000000    0.000000000    0.000000000
      1.000000000    2.000000000    0.000000000    0.000000000    0.000000000
      1.500000000    2.000000000    0.000000000    0.000000000    0.000000000
      2.000000000    2.000000000    0.000000000    0.000000000    0.000000000
  