Pll — Algs [portable]

Sam smiled. “Let me tell you a story,” he said.

By evening, Leo wasn’t sub-10 or even sub-20. But for the first time, when he reached the last layer, he smiled instead of panicked. pll algs

“This is an ,” said Sam. “A cycle of three corners. Learn the algorithm R’ F R’ B2 R F’ R’ B2 R2 — and watch them rotate home like a carousel.” Sam smiled