P    #regions in PPM
# 2022-02-12 12:45:25 +0000  User@DESKTOP-O5HC90I
# low field   high field   mi   maxi
  4.6708  4.6527  0.000  10000.000  # for region 1
  4.1494  4.1362  0.000  10000.000  # for region 2
  1.0799  1.0662  0.000  10000.000  # for region 3
  0.1169  -0.0817  0.000  10000.000  # for region 4
