pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
h,o,h-o,15,0.9053062089782412,0.09171356965909339,$blah
h,g,h-g,30,,0.9511693135961343,$null
h,n,h-n,41,0.7114009771190007,,$blah
h,i,h-i,69,,,$null
h,f,h-f,71,0.9471086244193812,0.09345296506602174,$blah
h,j,h-j,84,0.41085861149653347,0.969588603408625,$blah
h,k,h-k,92,0.44892796303334037,0.23916849724551947,$null