Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.870914 1.181011 0.8927792 2 1 2.832979 2.546134 3.06224 3 1 2.321808 0.2790243 3.178637 4 1 4.863779 2.087833 1.955277 Masses 1 28.0855