Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.11109 1.300901 1.62252 2 1 1.500654 3.662104 2.137454 3 1 3.688161 2.438959 2.553019 Masses 1 28.0855