Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.3355731 2.724479 0.8220132 2 1 2.916687 1.217445 1.128206 3 1 1.780138 2.802497 1.715684 Masses 1 28.0855