4

U       0.450106053275018     -0.177224990507284     -0.254429552113489
U       1.365411991066210      1.467738049087382     -0.253360112910601
U       1.536851735204035     -0.177209714644073      1.357019569403298
U       0.263750996268814      1.683107888487585      1.777491923408075