I have just done one of these. I'm happy to help with any problems you may encounter, it was actually not as easy as I thought it was going to be. Randomising, turning back over and actual matching proved harder than i thought and involved a lot of maths.
If you don't feel you could build the basics of it on your own then maybe start with a simpler idea.
I've also been trying to figure this out, and it's way more complicated then I thought. If anyone could make a demo of this for the community that would be really nice
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If you don't feel you could build the basics of it on your own then maybe start with a simpler idea.