AF2L 9
Trapped corner: The corner is stuck in another slot.
Algorithms
y' U R' U2 R U' R U R'reads as y' U · Ne (inverse) · U' · ExtractU R' F' R F' R' F Rreads as U · Slam (reverse) · F' · SlamU R' F R F' R U' R' U' L' U' Lreads as U · Sledgehammer · R · Ratchet · Extract (lefty)y U L' U2 L U' L U L'reads as y U · Ne (lefty) · Lefty (reverse)y' U R' U' R' U R' U' R2reads as y' U R' U' · ZagZig (inverse) · R2y' U F R2 F' R' F R' F' R'