4

Ra      0.389026208548061     -0.212607052417378      0.284598346393934
Ra      1.598285303831254      1.077977608463169      0.186098419062784
Ra      1.618558368364735     -0.192576601991464      1.734597631022672
Ra     -0.269376068598284      1.543555660463143      1.448778551167577