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{"pk1": "f", "pk2": "g", "sortable_with_nulls": 0.8703969593250397}
{"pk1": "a", "pk2": "g", "sortable_with_nulls": 0.06955514882374092}
{"pk1": "c", "pk2": "g", "sortable_with_nulls": 0.47318618590932626}
{"pk1": "h", "pk2": "g", "sortable_with_nulls": null}
{"pk1": "d", "pk2": "g", "sortable_with_nulls": 0.46470846660323173}
{"pk1": "b", "pk2": "g", "sortable_with_nulls": null}
{"pk1": "g", "pk2": "g", "sortable_with_nulls": 0.1804160719608544}