/// <summary>
/// Return gridcells group with ids matched bubbles around free gridcell
/// </summary>
/// <param name="freeGCell"></param>
/// <returns></returns>
public MatchGroup GetIdArea(GridCell freeGCell, List <int> ids)
{
MatchGroup res = new MatchGroup();
for (int i = 0; i < ids.Count; i++)
{
res.Merge(GetIdArea(freeGCell, ids[i]));
}
res.Remove(freeGCell);
return(res);
}
