std::vector< std::vector< std::pair<const MEDCouplingCartesianAMRPatch *,const MEDCouplingCartesianAMRPatch *> > > _neighbors;
std::vector< std::pair<const MEDCouplingCartesianAMRPatch *,const MEDCouplingCartesianAMRPatch *> > _mixed_lev_neighbors;
std::vector< std::vector< std::pair<const MEDCouplingCartesianAMRPatch *,const MEDCouplingCartesianAMRPatch *> > > _cross_lev_neighbors;
std::vector< std::vector< std::pair<const MEDCouplingCartesianAMRPatch *,const MEDCouplingCartesianAMRPatch *> > > _neighbors;
std::vector< std::pair<const MEDCouplingCartesianAMRPatch *,const MEDCouplingCartesianAMRPatch *> > _mixed_lev_neighbors;
std::vector< std::vector< std::pair<const MEDCouplingCartesianAMRPatch *,const MEDCouplingCartesianAMRPatch *> > > _cross_lev_neighbors;