Gc R2 U' R U' R U R' U R2 D' U R U' R' D U' ? R2 U' R U' R U R' U R2 D' U R U' R' D U'↩-+Ⅱ▶0/16 タグ: Double cycles GbGd Alternate AlgorithmsSetupR U R' U' D R2 U' R U' R' U R' U R2 D'Recognition