I'm so sorry, there's still no better method than the one I first described. You'd need to work patiently on a dodge and burn layer to get rid of the rest
I think this is perfectly feasible, it will just take a LOT of patience. A lot of borrowing tiny parts of the three to form a 2, lots of tiny cloning.
I made a bit of a start:
I see absolutely nothing out of the ordinary here. This is perfect.
No they don't. If you're seeing it like that, I suspect it's a problem with your screen, or lack of calibration.
By the way, please don't waste your hard drive space by working in 16-bit. It's completely unnecessary.
May I ask what quality level you chose when saving the jpeg files for upload here?