Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.144626 2.611578 2.318929 2 1 1.72687 4.93899 1.794824 3 1 4.392296 1.543553 2.156587 4 1 3.81892 4.173373 2.152355 Masses 1 28.0855