pk1,pk2,sortable_with_nulls
f,u,0.36203897381751204
d,s,0.5225725351302178
e,l,0.41494242355134514
e,g,
a,m,0.5845859902235405
f,g,0.8703969593250397
d,m,
f,e,0.13141180642048544
b,b,
h,j,0.41085861149653347
c,j,
e,j,0.291861560261786
f,w,
a,g,0.06955514882374092
c,p,0.21395287710598743
a,d,
d,k,0.24330516387675716
d,j,0.4760931107841647
a,j,
d,w,0.26455462565889964
a,p,0.7508777995916097
c,g,0.47318618590932626
h,f,0.9471086244193812
e,f,
f,d,
f,x,0.6330767243010155
g,q,0.4600969018938087
e,a,0.0913268866309852
c,a,0.43456375856464435
d,y,0.7489577220696233
a,x,0.07099308600903254
e,m,
g,c,0.5616833815697281
f,i,0.3810254992724753
b,j,0.5945191535334412
d,c,0.7826353463610196
f,h,
e,k,0.19061037094792832
h,n,0.7114009771190007
c,m,0.44591361207670044
a,v,0.6898676320996214
b,m,0.2131543122670404
f,f,
c,d,0.30928466220865325
g,n,0.7470141234297678
e,r,0.2650227795434089
d,f,0.4355744930038943
b,x,
f,v,0.6433406842054887
c,v,0.32684580488130854
e,z,0.8453039251425987
d,g,0.46470846660323173
h,o,0.9053062089782412
e,u,
d,e,0.5217467469384799
g,f,0.9745466021257082
f,m,0.8336930832963215
b,a,0.7290758494598506
b,e,0.48564112545071847
a,l,
c,q,0.5840794142042252
h,l,0.6783068250650924
c,c,0.4312973996249869
h,d,0.08150198744788395
c,f,0.4298881499898346
h,b,0.7744647885737355
b,y,0.8643529420302863
d,z,
a,k,0.913136124185545
b,f,0.9265180735593334
d,u,
a,z,
c,y,0.6694588446199107
c,k,0.9579660422795397
f,n,0.44338308606070165
b,k,0.6697259747698292
d,h,0.48754993239134437
g,u,0.9512921405795819
f,t,0.26536750832497336
h,m,
b,g,
c,l,0.6675777325863531
e,h,
d,x,0.5445623787105787
b,p,0.7424166839809987
e,i,
h,s,
a,y,0.5141561198085891
e,y,0.3455656244430817
g,o,0.3970711742472973
g,j,
h,a,0.24774372359828423
d,p,0.5740642196263323
b,r,0.33355653860508816