Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.233828 0.4543139 1.808534 2 1 2.948892 1.781449 0.09577709 3 1 3.670431 2.774384 2.118936 Masses 1 28.0855