Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.016822 2.865015 1.800417 2 1 3.017685 2.615068 0.4874695 3 1 2.867855 3.717713 2.632514 4 1 4.355038 2.108121 2.666129 Masses 1 28.0855