Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 3.023607 1.283787 2.76492 2 1 1.886887 2.872622 3.624081 3 1 3.653513 3.884533 2.391846 Masses 1 28.0855