P    #regions in PPM
# 2017-10-31 16:42:47 +0800  hp@hp-PC
# low field   high field   mi   maxi
  3.8907818598714425  3.5639607867559473  0.386  2.226  # for region 1
  2.868890617172288  2.664052057261872  0.330  2.226  # for region 2
