This video includes a map and the entire process of me clearing the 9-floor maze that I have built. It consists of 3 areas each with 3 floors with 30 coins split between them. You must find all 30 coins and reach the destination in 45 minutes. That should be ample time, especially since you can try and memorize locations from past failures. Or cheat by looking at this video.
I placed great effort in the maze's design to ensure maximum confusion and disorientation. I made sure there are as much convincing options and paths as possible that go for long stretches to deceive you into thinking they are valid routes. There are also many similar corridors designed to confuse you should you try to backtrack. Certain paths diverge early to you keep wondering where you went wrong.
Unfortunately this event is time limited and the design will not be saved, so play while you can. Domain ID: 9194618887
As I have drawn out the map, I may try to recreate this if this event gets a rerun or this becomes a permanent feature at some point. I hope it does since this has the potential to allow Genshin to have infinite content.