pk1,pk2,sortable_with_nulls
c,p,0.21395287710598743
a,p,0.7508777995916097
f,p,
g,p,0.40442288450523434
e,p,0.1262462698093887
b,p,0.7424166839809987
h,p,0.4148969058190054
d,p,0.5740642196263323