But it introduces an artificial difference between edges and corners. You'd get the same ability for corners if you did them after the edges.
The slightly counterintuitive “magic” is that you can trade a corner swap for an edge swap: for permutation parity, corners and edges are interchangeable.
But it introduces an artificial difference between edges and corners. You'd get the same ability for corners if you did them after the edges.
The slightly counterintuitive “magic” is that you can trade a corner swap for an edge swap: for permutation parity, corners and edges are interchangeable.