pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
d,f,d-f,19,0.4355744930038943,,$blah
f,f,f-f,35,,0.2569700845632623,$blah
e,f,e-f,68,,0.18758254139452712,$blah
h,f,h-f,71,0.9471086244193812,0.09345296506602174,$blah