P    #regions in PPM
# 2022-02-12 12:34:45 +0000  User@DESKTOP-O5HC90I
# low field   high field   mi   maxi
  4.1474  4.1332  0.000  10000.000  # for region 1
  1.0844  1.0661  0.000  10000.000  # for region 2
  0.2644  -0.6082  0.000  10000.000  # for region 3
