4

As      0.223379377709533      0.249342366927168     -0.254258865335293
As      1.454832744958818      1.530688615380702      0.161643656844535
As      1.344425362355376      0.170919753674742      1.325679186317412
As      0.032099351762498      1.211966904080350      1.477074303422713