3x3 · ZBLL
3x3 ZBLL T 57 algorithm
3x3 ZBLL T 57 algorithm: 17 turns, opening with R' U' 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 T 57 belongs to the T5 group in ZBLL.
Recognize this starting position
In the inverse-derived training position, the upper-face color points upward at these corner positions: UFR, UFL. 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 R B; R: L L U; B: R F R; L: U B L. The letters identify colors by their reference faces.
Execute the algorithm
R' U' R U2 R D R' U' R D' R2 U R U' R' U R
The opening is R' U' R; the final segment is R' U R. This version contains 17 face, wide, or slice turns and no whole-puzzle rotations.