Theoretically, if given unlimited inspection time before an attempt, would it be possible to plan an entire solve? If not, how much of a solve do you'll think is possible to plan without touching the cube?
I just got a Rubik's 4x4 a few days ago. I've solved it a few times, but I've had a lot of trouble. One of the main things I keep doing is putting the centers in the wrong spots (red across from blue, green across from orange). Is there any way to switch two adjacent centers while keeping the...