Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.111705 1.964485 2.063826 2 1 1.996516 4.229048 2.317605 3 1 3.494235 2.652341 1.536538 4 1 4.5932 4.863032 2.072185 Masses 1 28.0855