Hi Didier,

I’ve been working on an alternative “solver” for these puzzles that works in a different way. It’s not ready to share yet, but I used the puzzle you just suggested as a testbed, if you’re interested:

Apparently the password you need is “Dominos”.

In anticipation that I’m about to receive a barrage of requests to solve everybody else’s puzzles and post images, like this: No, I’m not going to do that. I’m very busy. But I will try to put some time into improving solver tools in general as and when I can.