2048 with Undo

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For 2048 with undo game start I just played Right/Down on 95% of my move. Sometimes I'll push left if i can't go down or right. And…For 2048 with undo game start I just played Right/Down on 95% of my move. Sometimes I'll push left if i can't go down or right. And pushing top means pretty much signing the end of your game. The point here is to keep your numbers ordered and packed on a corner. The more you manage to keep them ordered and prevent a small number to stick in there, the longer your game will be.
Rules:
Choose a corner and keep your highest number always there.
Numbers must remain strictly equal or decreasing on the side of that highest number (Screenshot 2).
BE VERY CAUTIOUS that a 2 doesn't get stuck in a place surroundered by something else than a 2. You may think it's not a big deal now but one "stuck number" may kill your game on the long run. It's all about having a space to build numbers and stacking them in an OCD like manner.
Try keeping the bottom line full as much as possible. The point is that if you need to go right/left the highest number won't leave his spot.
PS: That doesn't mean you can close your eyes and do it blindly. Sometimes there is great moves to do. Especially when you can build multiple colums of similar numbers in one move.