> As opposed to the shrunk version where I immediately think, "uh oh: one of them is not handling an empty input correctly." I agree that non-empty strings are

> As opposed to the shrunk version where I immediately think, "uh oh: one of them is not handling an empty input correctly." I agree that non-empty strings are worse, but unfortunately `("", "", "", "")` wouldn't only make me think of empty strings; e.g. I'd wonder whether duplicate/equal values are the problem.