pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
e,l,e-l,97,0.41494242355134514,0.00256525935857721,$blah
a,l,a-l,1,,0.24662750769398345,$blah
h,l,h-l,-6,0.6783068250650924,0.4616799784409892,$blah
c,l,c-l,-66,0.6675777325863531,0.5954523184694197,$blah