You can see if a line is correct because it shows green when you did it right, and wrong when its not right, meaning its pretty easy to beat it without logic, and just trying out different solutions, quickly checking if they are correct or not.
xXxTheDudexXx
It is true PR4 is coming, but it is not within 4 months, I don't know where you heard that but it is indeed a lie. Right now he is working on Luna, and I expect that to be done within 1-4 months, and then he might start working on PR4.
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