I have read this tutorial SUPPORTING MULTIPLE SCREENS several times and many stackoverflow questions regarding Design Android UIs to fit well with all android screen s
If it is very important to specify to that extreme, there is a handy tool for folder naming, and that is chaining. Ex. layout-w480dp-normal and that would be screen sizes at least 480dp in width, and fall under the normal category. Note: I didn't get the need to develop for such detailed requirements, but according to the linked source, it should work just fine.
Source
Make sure to follow these rules