Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.8443656 1.331115 1.839255 2 1 0.3577448 2.959278 0.2615058 3 1 2.492436 0.4592216 1.30516 4 1 2.681985 2.536349 1.353787 Masses 1 28.0855