pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
c,a,c-a,52,0.43456375856464435,,$blah
c,b,c-b,47,0.19007877450229604,0.9255751654990827,$null
c,c,c-c,-7,0.4312973996249869,,$blah
c,d,c-d,29,0.30928466220865325,,$blah
c,e,c-e,70,,0.3009498745655653,$null
c,f,c-f,-23,0.4298881499898346,0.6066615704797627,$blah
c,g,c-g,72,0.47318618590932626,0.08479553672512175,$blah
c,h,c-h,-77,0.7511381375407322,,$null
c,i,c-i,-89,,0.8861369090509815,$null
c,j,c-j,83,,,$blah
c,k,c-k,-44,0.9579660422795397,,$blah
c,l,c-l,-66,0.6675777325863531,0.5954523184694197,$blah
c,m,c-m,40,0.44591361207670044,0.7517767865005115,$blah
c,n,c-n,96,,0.2745974469175383,$null
c,o,c-o,-31,,0.23126147972818678,$null
c,p,c-p,80,0.21395287710598743,,$blah
c,q,c-q,-1,0.5840794142042252,0.8806566727578236,$blah
c,r,c-r,22,0.0058960835839930725,0.8534479505691046,$null
c,s,c-s,24,,0.38885720324612805,$null
c,t,c-t,19,0.9807219775189232,0.3940202563397047,$null
c,u,c-u,-79,0.6427496480093358,0.18172902651343215,$null
c,v,c-v,16,0.32684580488130854,0.278256615638806,$blah
c,w,c-w,-80,,0.3499603437201839,$null
c,x,c-x,99,,,$null
c,y,c-y,-39,0.6694588446199107,0.9477570222166518,$blah
c,z,c-z,-58,0.9637347441012087,0.11453287137889767,$null