Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.5968968 0.2418068 1.969253 2 1 0.9048539 2.954231 1.223773 3 1 2.908537 1.104967 0.9641529 Masses 1 28.0855