AF2L 20
Trapped edge: The edge is stuck in another slot.
Algorithms
U R U R' L U L'reads as U · Extract · Lefty InsertU' R U2 R' U' L U L'reads as U' · Ne · Lefty (reverse)U R U M' B r'reads as Ratchet (inverse) · M' B r'y2 U2 F L2 U2 F' U2 L2 F'y2 U L U R U R' U' L'reads as y2 · Ratchet (lefty) · Righty · L'y2 U2 L F U F' R U R' U' L'reads as y2 U2 L F U F' · Righty · L'