pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
f,t,f-t,-56,0.26536750832497336,0.5260855265978671,$blah
d,t,d-t,45,0.6096309122451303,0.7627371043547087,$null
c,t,c-t,19,0.9807219775189232,0.3940202563397047,$null