6,pa2-unknown-g-ct-fiducials.txt
   63.88,    42.91,   174.55
    0.35,    12.21,    54.37
  163.38,   135.49,    18.47
  101.14,    39.60,   151.89
  143.45,    18.77,    23.64
   67.75,    93.27,   198.11
