Owned it a few seconds ago.
First of all, let me thank @LMAY75 for his help! (+respect to you pal!)
The machine:
It’s great! I liked almost every step of it.
All the hints are already there, so my suggestion is to open wide your eyes and avoid being lazy like me: double (or triple) check all what you do, otherwise you’ll end up blaming the universe, begging for help just because of a typo…