Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.1824893 2.150277 1.977426 2 1 1.714355 2.836507 3.692882 3 1 3.718795 4.21797 4.643913 Masses 1 28.0855