AF2L 6
Trapped corner: The corner is stuck in another slot.
Algorithms
R U R' F U F'reads as Extract · F U F'F R' F' R L' U Lreads as Sledgehammer (reverse) · Insert (lefty)R U R' b L b'reads as Extract · b L b'R U R' y L U L'reads as Extract · y · Lefty Inserty' R2 U2 R' U R U R' U R'reads as y' R2 U2 · Insert (inverse) · ZagZag (reverse)y' R2 F U R U' F' R2