4

As      0.215319627350359      0.139001425983766     -0.034576351183329
As      1.419187865393117      1.663331691211782      0.202422721078346
As      1.561390682725892      0.223700936742517      1.516660639270403
As     -0.050992147333974      1.390066667749291      1.361506481655012