Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.9940129 1.178595 0.2885252 2 1 0.1901854 2.887608 1.793414 3 1 2.663735 0.2617259 1.754082 4 1 2.862771 2.685399 0.6360054000000001 Masses 1 28.0855