pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
b,v,b-v,-55,0.024786361898188725,0.9244872952415456,$null
b,i,b-i,-83,,0.9415961272290894,$null
b,n,b-n,-60,0.43818457300770985,0.9872330636315043,$null