Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.3317139 0.3476735 1.490972 2 1 0.03112528 2.745436 2.891827 3 1 2.221584 0.05391752 2.556746 4 1 2.448035 2.913747 1.033346 Masses 1 28.0855