4

U       0.053322038648681      0.231106884346713     -0.001839782724475
U       1.512832755109719      1.700713406750863     -0.171419635241910
U       1.647208074828052      0.089423439016807      1.243112027608631
U       0.275599808387315      1.213217129306003      1.717364446883575