It's hard to tell for me. I was trying to convince myself that my english homework was important at the time, so I wasn't really thinking cleary. I finished that, and this only took me about 5 minutes after that. It also helps to be tired. I really, really wish I had found this yesterday when I could've actually thought about it.
DING-DING-DING! We have a winner!
Now tell me I'm curious from 1-10 how hard was it?
However, it wasn't that hard, just a little open ended. It's very easy to overthink these types of riddles. It must retire now, so very tired.
If you want to know how I did it:
Thanks for the frustration, and I do mean that literally.