pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
e,m,e-m,50,,0.44654739304319446,$blah
e,n,e-n,16,0.8696016832340685,0.23880554416624933,$null
e,o,e-o,-19,0.7447051515651959,0.6636888294845347,$null
e,p,e-p,26,0.1262462698093887,0.33199470393136377,$null
e,q,e-q,34,,,$null
e,r,e-r,20,0.2650227795434089,0.692704598586882,$blah
e,s,e-s,-19,0.6267991790079878,,$null
e,t,e-t,61,,,$null
e,u,e-u,13,,0.04599096867721275,$blah
e,v,e-v,-5,0.43068678785540004,,$null
e,w,e-w,-80,0.3825442986168739,,$null
e,x,e-x,18,0.459570499176731,0.009397431454871041,$null
e,y,e-y,-82,0.3455656244430817,0.962029072823442,$blah
e,z,e-z,16,0.8453039251425987,0.8533354586601858,$blah