svoid test_RegionBorder_innerPoints_v2_onePathWithOrigin() {
  BWImage img = bwImageFromString([[
    ______
    _xxx__
    _x_x__
    _xxx__
    ______
  ]]);
  FastRegions_BWImage regions = new(img);
  OnePathWithOrigin path = regions.onePathWithOrigin();
  print(path);
}