pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
b,x,b-x,17,,0.22292354720580898,$blah
b,q,b-q,29,,0.09229846771273342,$null
b,m,b-m,37,0.2131543122670404,0.8808641736864395,$blah
b,s,b-s,43,0.07524386007376704,0.9039285715598931,$null
b,j,b-j,48,0.5945191535334412,0.6573731644725225,$blah
b,o,b-o,70,0.2993787521999779,0.1035865019182115,$null
b,b,b-b,86,,,$blah