One morning, Alfie woke up across from where he belonged. Betsy was beside him, also wrong. Carlos and Dee were swapped.
Every day, they sat in their correct seats. But every night, a tricky wind called “The Last Layer Gust” would blow them into wrong places. pll algs
Leo tried it. Slowly, clumsily. But on the third try, the corners clicked into place. “That’s… actually pretty,” he said. One morning, Alfie woke up across from where he belonged
“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.” Every day, they sat in their correct seats
Now go solve — and when you hit PLL, smile. You’ve got friends in those 21 letters.
Leo practiced. The H perm felt like breathing. No corner moved. Just four edges sliding into harmony.