| # | Algorithm |
|---|---|
| 1 | U2 R' F R U2 R2 F R U' R U2 |
| 2 | R' U R U2 R2 F R F' R |
| 3 | U' z R U R' U' R' F R2 U' R' U' R U R' F' z' U' |
| 4 | U' D' z R U R' U' R' F R2 U' R' U' R U R' F' |
| # | Algorithm |
|---|---|
| 1 | U2 R' F R U2 R2 F R U' R U2 |
| 2 | R' U R U2 R2 F R F' R |
| 3 | U' z R U R' U' R' F R2 U' R' U' R U R' F' z' U' |
| 4 | U' D' z R U R' U' R' F R2 U' R' U' R U R' F' |