4

At      0.294813490737028      0.209019396123909     -0.161315831426020
At      1.580475352460258      1.287806341255754     -0.104758379720430
At      1.797409248250182      0.036870994679716      1.552257244485204
At      0.152876793751616      1.702830860730897      1.358369547486681