4x4 · PLL Parity
4x4 PLL Parity Bb algorithm
4x4 PLL Parity Bb algorithm: 15 turns, opening with y x Rw2. Case recognition, the complete sequence, and practical execution notes.
- Puzzle
- 4x4
- Method
- PLL Parity
- Case
- Bb
4x4
Follow each turn at your own pace.
Move 1 of 17: y
Correct the 4x4 reduced-edge permutation parity that cannot occur on a legal 3x3.
Bb belongs to the Adj Corner Swap group in PLL Parity.
Match the parity configuration
Bb combines its named edge configuration with the parity correction. Use the inverse of this exact sequence to establish its training position; a different parity entry can require a different piece arrangement.
Execute the algorithm
y x Rw2 U2 Rw2 Uw2 Rw2 R2 Uw2 B 3Rw' U R' U2 L U' R
The opening is y x Rw2; the final segment is L U' R. This version contains 15 face, wide, or slice turns and 2 whole-puzzle rotations.