Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.368967 3.862197 2.346954 2 1 2.915655 3.525719 0.4290147 3 1 3.711297 1.607736 1.156277 4 1 3.762397 3.78477 2.460668 Masses 1 28.0855