oh yeah, no i get it. I’m always creating various indexes upon indexes upon indexes in neighboring columns to be able to return to any previous sorted form. It’s not hard; I can do it in my sleep. And it’s not ideal of course. I wouldn’t teach it to anybody unless they were desperate. It works and works fast for me but only someone who uses it as an imperfect swiss army knife, aware of all the flaws would do it anyway
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