Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.6136317 0.272403 0.5113261 2 1 1.058649 2.716721 0.3297698 3 1 0.03115284 1.744123 2.343307 4 1 2.175185 1.227279 1.696033 Masses 1 28.0855