3x3 · ZBLL
3x3 ZBLL Pi 7 algorithm
3x3 ZBLL Pi 7 algorithm: 17 turns, opening with R2 F R. Case recognition, the complete sequence, and practical execution notes.
Solve the entire last layer in one sequence when its edges are already oriented.
ZBLL Pi 7 belongs to the Pi 1 group in ZBLL.
Recognize this starting position
In the inverse-derived training position, the upper-face color points upward at these corner positions: none. Upper edges with that color facing up: UF, UL, UB, UR. Reading each side’s top row left to right when facing that side gives F: F L U; R: B B B; B: U R F; L: U F U. The letters identify colors by their reference faces.
Execute the algorithm
R2 F R U R U' R' F' R U' R' U' R U R' U R
The opening is R2 F R; the final segment is R' U R. This version contains 17 face, wide, or slice turns and no whole-puzzle rotations.