       <li>Start point of the edge (Voronoi vertex B, that is
equidistant from the following input sites: O, L, MN)</li>
        <li>End point of the edge (Voronoi vertex A, that is
equidistant from the following input sites: O, M, MN)</li>
        <li>Twin edge (Voronoi edge AB)</li>
        <li>CCW next edge inside the Voronoi cell, that the edge
belongs to (green Voronoi edge AE)</li>
        <li>CCW previous edge inside the Voronoi cell, that the edge
belongs to (Voronoi edge CB)</li>
        <li>CCW ro