pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
c,m,c-m,40,0.44591361207670044,0.7517767865005115,$blah
a,m,a-m,91,0.5845859902235405,,$blah
f,m,f-m,6,0.8336930832963215,,$blah