pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
e,n,e-n,16,0.8696016832340685,0.23880554416624933,$null
e,f,e-f,68,,0.18758254139452712,$blah
e,u,e-u,13,,0.04599096867721275,$blah
e,x,e-x,18,0.459570499176731,0.009397431454871041,$null
e,l,e-l,97,0.41494242355134514,0.00256525935857721,$blah
e,a,e-a,54,0.0913268866309852,,$blah
e,h,e-h,-69,,,$blah
e,i,e-i,-77,,,$blah
e,j,e-j,83,0.291861560261786,,$blah
e,k,e-k,41,0.19061037094792832,,$blah
e,q,e-q,34,,,$null
e,s,e-s,-19,0.6267991790079878,,$null
e,t,e-t,61,,,$null
e,v,e-v,-5,0.43068678785540004,,$null
e,w,e-w,-80,0.3825442986168739,,$null