4

Pb      0.133628589643589     -0.086854503497407      0.070344297778144
Pb      1.548524731554665      1.554734990173494      0.136616146131848
Pb      1.404800333896954     -0.122804956766034      1.298690060320801
Pb      0.110418764748988      1.301047900502205      1.335334446284152