Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.600247 1.761403 2.21582 2 1 1.350999 3.710266 1.758192 3 1 4.508932 5.134782 2.974852 4 1 3.702352 3.46043 0.9070332 Masses 1 28.0855