Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.841313 2.212826 1.445747 2 1 1.428683 2.999437 3.337988 3 1 3.148139 1.186132 4.005196 Masses 1 28.0855