pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text g,p,g-p,46,0.40442288450523434,0.11517337266379823,$null h,p,h-p,-94,0.4148969058190054,0.23577807386343264,$null d,p,d-p,-97,0.5740642196263323,0.34070593256029236,$blah b,p,b-p,-73,0.7424166839809987,,$blah a,p,a-p,74,0.7508777995916097,,$blah