CLL 30 R' U' R U2 R' F R' F' R U' R Tags : L CLL 29CLL 31 Alternate Algorithms(U') R' F' R U R' U' R' F R2 U' R' U2 RR U R2 F' R U R U' R2 F' R F(U') F R F' R U R2 U' R' F R F'(U2) R' F R U' R' F R F' R U R2' F' R(U2) R U R' U R' F R F' U2 R' F R F'SetupR' U' R U2 R' F R' F' R U' R (CLL24)Recognition