encoding  utf-8
input cave1.th2

centerline
  data normal from to compass clino tape
  0  1  170  -10   4.7
  
  # first loop branch
  1  2  230  -60  12.3
  2  3  166  -18   6.3
  3  4  130  -12   5.1
  
  # second loop branch
  1  5  133   +4   8.9
  5  4  220  -62  16.1
  5  5'  12   65   4
  
  4  6  107  -23   9.1
  
endcenterline

