pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
c,g,c-g,72,0.47318618590932626,0.08479553672512175,$blah
a,g,a-g,80,0.06955514882374092,,$blah
f,g,f-g,91,0.8703969593250397,,$blah
g,g,g-g,-93,0.1804160719608544,,$null