N_e = 21
minimum energy: 167.64162240333

       x               y               z
-0.5361614318	 0.1741892317	-0.8259473534	
 0.2409836559	-0.4374653793	-0.8663434189	
 0.2017408618	 0.3133714059	-0.9279541943	
-0.6629547531	 0.6917735140	-0.2862523373	
 0.8237173011	 0.2727453987	-0.4970912947	
-0.6281802391	-0.7770700219	 0.0393924901	
 0.3417843202	-0.2288115061	 0.9114980928	
-0.9817218253	-0.0929575156	-0.1660757597	
-0.1523438814	 0.9230733978	 0.3531668784	
 0.1243782858	-0.9664176982	-0.2248707956	
-0.2446073344	 0.2804235024	 0.9281863559	
 0.4642547793	 0.5222063538	 0.7153796363	
-0.4787681856	-0.5660606053	-0.6710859971	
 0.8034792080	-0.4731420911	-0.3613277236	
-0.6837953675	-0.3032008875	 0.6636965551	
 0.6410826818	-0.6850432082	 0.3460184938	
 0.9523304877	 0.0472846550	 0.3013814919	
-0.0869310000	-0.7961518476	 0.5988198701	
-0.8049708059	 0.4300845969	 0.4087165780	
 0.6192010085	 0.7848789297	 0.0235621907	
 0.0472001488	 0.8858487144	-0.4615671144