In Order to Solve One Problem, We Often Need To Solve Three Problems
My 9 year old son has taken an interest in Rubik’s Cubes lately. The standard 3×3 cube and triangle puzzles we know. But also the more advanced 4×4 and 5×5 cubes of which I didn’t even know was a thing until he came home from school one day and asked me to get him one of each from Amazon. As I fiddle with them in vain to try to solve it, I’ve been coming to the realization that you need to often think of just not the next move, but the move after that, the move after that, and the