eBGDAElet ring1=12001014420031312202let ringlet ringlet ring40022051000620221let ringlet ring700008202219001100031let ring11122021200220131000141002015000016022117213010let ringlet ringlet ring1803300193130102003010let ring21034032212301230020let ring240221252130102603300let ringlet ringlet ring273130102803010290340330123013100203202243355let ring34055535