Question for those who submit bulk submissions

If I have 40 sequentially numbered notes that I want graded individually, what is the best way to send those? Each in their own sleeve? The entire lot in an oversized sleeve? I know how to submit bulk coin submissions (in rolls, not individually), but can't seem to find the answer for notes. Thanks in advance.
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Comments
Personally, I would probably break it down to 4 sleeves with 10 notes in each sleeve.