pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
e,e,e-e,16,,0.40417505700074563,$null
e,n,e-n,16,0.8696016832340685,0.23880554416624933,$null
e,x,e-x,18,0.459570499176731,0.009397431454871041,$null
e,p,e-p,26,0.1262462698093887,0.33199470393136377,$null
e,q,e-q,34,,,$null
e,b,e-b,47,0.040231673144616176,0.518963840987604,$null
e,c,e-c,49,,0.4700103949603517,$null
e,t,e-t,61,,,$null