Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.107976 2.819188 1.252407 2 1 2.630591 3.411672 3.024039 3 1 3.968262 4.362454 1.692316 4 1 3.394725 3.292047 0.1208017 Masses 1 28.0855