Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.366146 0.4276696 2.887206 2 1 0.246011 2.215598 0.03314727 3 1 1.807274 0.2501669 0.3853767 4 1 1.505942 2.451221 2.01711 Masses 1 28.0855