Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.267925 0.9152417 0.2273723 2 1 0.2383279 2.247333 1.93128 3 1 1.982364 0.02831543 1.239215 4 1 1.615844 1.36997 2.942587 Masses 1 28.0855