Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.7699977 0.2576193 1.27547 2 1 0.6265566 2.494782 0.6353127 3 1 2.748297 1.297333 0.3747024 4 1 2.66914 2.750152 1.670621 Masses 1 28.0855