Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.9561271 0.2009027 2.827783 2 1 0.6408175 2.004915 2.928704 3 1 2.494403 2.793601 0.1007886 4 1 2.213716 1.735143 2.110523 Masses 1 28.0855