4

At      0.030688615380702      0.170919753674742     -0.174320813682588
At      1.532099351762498      1.211966904080350     -0.022925696577287
At      1.778614086849493      0.240419586819591      1.748668179083904
At      0.003552921677618      1.377009271928774      1.519047630631410