Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.053874 2.225583 2.945298 2 1 1.808711 4.658327 2.287931 3 1 4.038397 2.121863 2.154331 4 1 3.514533 3.432892 3.895035 Masses 1 28.0855