Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.036106 2.350852 1.380946 2 1 4.115978 2.278681 2.143918 3 1 3.366262 4.368471 1.460852 Masses 1 28.0855