Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.107162 1.631031 0.8027579 2 1 1.830383 2.241578 2.929541 3 1 3.826317 1.374507 2.505942 4 1 3.764733 3.251235 1.559611 Masses 1 28.0855