4

O       0.281872386631817      0.062819056481620     -0.015466608600082
O       1.601701203914997      1.377933650309482     -0.280956139969076
O       1.414164847823092      0.246240972684673      1.643024017571064
O       0.265316417231259      1.411928691872262      1.519439330985684