eBGDAElet ring1=900305003044203050030let ring303050030403074050let ring503050030603050030let ring703050030803074050let ring9030500301003050030let ring11030500301203074050let ring13030500301403050030let ring15030500301603074050let ring17030500301803050030let ring19030500302003074050let ring21030500302203050030let ring23030500302403074050let ring25020302032602030203let ring2702030203284x0307405029130