Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.717232 2.423377 4.432819 2 1 3.269978 2.24674 1.842668 3 1 4.329915 3.751844 3.520885 Masses 1 28.0855