pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
f,n,f-n,-45,0.44338308606070165,0.6856802654812854,$blah
g,n,g-n,27,0.7470141234297678,0.23011071607665967,$blah
h,n,h-n,41,0.7114009771190007,,$blah