P    #regions in PPM
# 2025-09-15 19:59:54 +0200  MICROSO@MICROSOFT
# low field   high field   mi   maxi
  7.975753857984467  7.627445926313168  0.590  8.037  # for region 1
  7.627445926313168  7.462521265821315  3.674  10.595  # for region 2
  7.462521265821315  7.458685808600574  0.590  8.037  # for region 3
  7.458685808600574  7.316773891433165  3.215  7.905  # for region 4
  7.316773891433165  7.312938434212424  0.590  8.037  # for region 5
  7.312938434212424  7.214495032213411  0.820  4.494  # for region 6
  7.214495032213411  6.941859839356851  0.590  8.037  # for region 7
  6.277213684524812  3.5447794924375406  3.247  19.189  # for region 8
