If you look at the bottom right, where you have 1222, you can go ahead and mark the thrid from the bottom as a mine. You know that one of the first two but not not both of the first two has a mine by the 1. And since the next 2 covers 3 blocks and only one is not shared with the 1, the one that is not shared has to be a mine.
Same principle in the top left. Since the first two blocks are shared by the first two 1s, you know that the third block has to be clear, or else the second 1 would have to be a 2.
And then you can keep on going this way. Back at the bottom right where you just marked a mine, the next mine must be within the next two blocks, but it cannot be in the third block because then it would violate the 1, so you can clear the third block up from that mine.
Slowly chipping away like this will get you where you need to be. And, yes, I've spent way too much time with this game.
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