Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.64312 5.29413 1.980325 2 1 1.077994 4.100946 1.129056 3 1 2.914388 3.110642 0.9938985 Masses 1 28.0855