set XVIgrids {1.0 m}
set XVIstations {
  {     -171.29       103.35 X}
  {     -171.29        73.82 0}
  {      -93.99       -24.61 1}
  {       83.58       -63.98 2}
  {      171.29      -103.35 3}
}
set XVIshots {
  {     -171.29       103.35      -171.29        73.82}
  {     -171.29        73.82       -93.99       -24.61      -171.29        87.60       -93.99       -10.83       -93.99       -38.39      -171.29        60.04}
  {      -93.99       -24.61        83.58       -63.98       -93.99       -10.83        83.58       -50.20        83.58       -73.82       -93.99       -38.39}
  {       83.58       -63.98       171.29      -103.35        83.58       -50.20       171.29       -83.66       171.29      -103.35        83.58       -73.82}
}
set XVIgrid  {-230.343 -152.559 19.685 0.0 0.0 19.685 23 16}