4

Pb      0.000826016281055      0.246240972684673      0.143024017571063
Pb      1.354988933020953      1.610428591776748      0.209471240111462
Pb      1.355128506235114      0.052807135443839      1.413338831542036
Pb     -0.153445093667103      1.372412352686622      1.322308438900281