How to arrange the sequence of decks


I am trying to re-arrange the sequence of decks that I created using drag and drop but it seems to only imbed as subdeck. Has any faced the same issue and how do you resolve it?

Decks are sorted alphabetically. You cannot rearrange them by any other means than prefixing them with ascending characters, e.g. digits (like “01 - Introduction to General Chemistry”, “02 - Periodic Table” etc…).