Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 3.426714 1.178389 1.645361 2 1 3.148791 3.030533 3.494422 3 1 4.417492 3.334875 1.556536 Masses 1 28.0855