Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 4.270256 1.710461 1.859562 2 1 3.221228 2.921425 3.621771 3 1 5.235708 4.080044 2.534096 Masses 1 28.0855