Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.7000694 0.661287 1.948722 2 1 0.7009801 2.943734 0.5112142 3 1 1.776961 0.8237646 0.2230389 4 1 2.520436 2.54344 2.202058 Masses 1 28.0855