P    #regions in PPM
# 2022-02-11 23:59:25 +0000  User@DESKTOP-O5HC90I
# low field   high field   mi   maxi
  4.1311  4.1156  0.000  10000.000  # for region 1
  1.0645  1.0516  0.000  10000.000  # for region 2
  0.1851  -0.0793  0.000  10000.000  # for region 3
