3x3 · ZBLL
3x3 ZBLL T 54 algorithm
3x3 ZBLL T 54 algorithm: 15 turns, opening with y2 R2 F. 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 54 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 B U; B: R L R; L: U F L. The letters identify colors by their reference faces.
Execute the algorithm
y2 R2 F R U R' U' R' F' R' U' R2 U2 R U2 R
The opening is y2 R2 F; the final segment is R U2 R. This version contains 15 face, wide, or slice turns and 1 whole-puzzle rotation.