pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
a,x,a-x,50,0.07099308600903254,,$blah
b,x,b-x,17,,0.22292354720580898,$blah
d,x,d-x,-71,0.5445623787105787,,$blah
f,x,f-x,59,0.6330767243010155,0.3809043988185208,$blah