2x2 · Ortega PBL
2x2 Ortega PBL Opp Opp algorithm
2x2 Ortega PBL Opp Opp algorithm: 3 turns, opening with R2 F2 R2. Case recognition, the complete sequence, and practical execution notes.
- Puzzle
- 2x2
- Method
- Ortega PBL
- Case
- Opp Opp
2x2
Follow each turn at your own pace.
Move 1 of 3: R2
Permute both oriented layers of the 2x2 in the final Ortega stage.
Recognize this starting position
In the inverse-derived training position, the upper-face color points upward at these corner positions: UFR, UFL, UBL, UBR. Reading each side’s top row left to right when facing that side gives F: B F; R: R L; B: F B; L: L R. The letters identify colors by their reference faces.
Execute the algorithm
R2 F2 R2
The opening is R2 F2 R2; the final segment is R2 F2 R2. This version contains 3 face, wide, or slice turns and no whole-puzzle rotations.