pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
c,f,c-f,-23,0.4298881499898346,0.6066615704797627,$blah
a,f,a-f,-4,0.2931782814070929,0.8617069003107772,$null
b,f,b-f,-33,0.9265180735593334,0.9573176408596732,$blah