3.60103 -0.21427  3.72963 -0.21427  3.72949 -0.20380  3.60117 -0.20380 21.5
  3.73204 -0.20635  3.86042 -0.20635  3.86029 -0.19588  3.73217 -0.19588 21.5
  3.73125 -0.25791  3.86121 -0.25791  3.86104 -0.24744  3.73143 -0.24744 21.5
  3.99473 -0.29442  4.01661 -0.29442  4.01658 -0.28395  3.99476 -0.28395 21.5