For some of us, it is a really big great pleasure to see people trying to figure how to solve such kind of puzzles, much more than just showing the solution. Not because the solver enters in pain, just the oposite, see how the solver enjoy the path to reach the knownledge to solve it. I am quite sure you are going to enjoy all of them, all looks really great and interesting. Thanks a lot for sharing all of them with us. Happy year 2021 and my best wish for your health.