Line these up and look through them to find another staircase.
Your property was freely available and that is why it was published on our website.
It's also worth mentioning that the game offers several options for which colors are used in the puzzles to assist those with some variation of color blindness.
I do wish there was more to do in the hotel outside of code solving.
Another door will open where you will again have to examine all the documents and plans.
They must solve multiple color-based puzzles in order to escape.