pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
a,f,a-f,-4,0.2931782814070929,0.8617069003107772,$null
a,s,a-s,53,0.3241560570046731,0.8787218778231842,$null
a,e,a-e,-76,0.3589793804846284,0.7297317866938179,$null
a,y,a-y,-82,0.5141561198085891,0.132311848725025,$blah
a,m,a-m,91,0.5845859902235405,,$blah
a,r,a-r,60,0.6389494948660052,,$null
a,v,a-v,38,0.6898676320996214,0.9951493566608947,$blah
a,p,a-p,74,0.7508777995916097,,$blah
a,k,a-k,-32,0.913136124185545,0.3146778807984779,$blah
a,q,a-q,-100,0.9538159275210801,0.7619621990520646,$null
a,o,a-o,-2,0.9961213802400968,,$null