P    #regions in PPM
# 2020-04-21 21:51:16 +0200  Kinga@DESKTOP-LMLEKCP
# low field   high field   mi   maxi
  141.1525665150966  115.1594365507781  3.723  7.682  # for region 1
  54.947502582799835  10.857889731930506  14.020  16.000  # for region 2
  -10.199835808783202  -32.90269615736517  6.032  9.896  # for region 3
