I'm certainly not at your level yet, but one thing I can see is that you do too many rotations. For example, in your second solve which was an 11.xx, you did y2 y'. So try to limit unnecessary rotations.
I'm certainly not at your level yet, but one thing I can see is that you do too many rotations. For example, in your second solve which was an 11.xx, you did y2 y'. So try to limit unnecessary rotations.