Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.910276 1.798687 1.549131 2 1 4.175786 1.007669 2.846903 3 1 3.153892 3.379215 2.707648 Masses 1 28.0855