4

U       0.073279367294265      0.199897231195555      0.129611995968939
U       1.499258590869643      1.782204064909161     -0.234351539188605
U       1.510076004590505      0.297684540097517      1.607736906663002
U       0.123010053380010      1.795896112097038      1.595111238811570