SO_Mass_Msun_h	clusters	cmean	frac_err	variance

3.961655e+11	   46	1.1439	0.4867	0.1148
4.969673e+11	   33	1.3604	0.3621	0.2933
6.642771e+11	  188	1.4015	0.2383	0.2903
8.318719e+11	  382	1.8312	0.2081	0.3808
1.080613e+12	  398	2.1031	0.2538	0.3654
1.393421e+12	  313	2.2306	0.2647	0.3693
1.786981e+12	  233	2.1655	0.2571	0.3395
2.324929e+12	  185	2.2964	0.2796	0.3268
3.044455e+12	  140	2.3772	0.2938	0.3275
3.914058e+12	   78	2.3086	0.3118	0.3047
5.053078e+12	   48	2.5276	0.4052	0.2803
6.319565e+12	   26	2.3893	0.4822	0.3697
8.344169e+12	   16	2.4595	0.6408	0.3574
1.095022e+13	   11	2.5818	0.7647	0.2298
1.515417e+13	    4	3.4424	1.6058	0.1062
1.830223e+13	    8	2.9511	0.9876	0.1263