3x3 · ZBLL
3x3 ZBLL T 15 algorithm
3x3 ZBLL T 15 algorithm: 14 turns, opening with y R U. 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 15 belongs to the T2 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: L F F; R: R B U; B: R R F; L: U L B. The letters identify colors by their reference faces.
Execute the algorithm
y R U R' U R U R' U2 L R U' R' U L'
The opening is y R U; the final segment is R' U L'. This version contains 14 face, wide, or slice turns and 1 whole-puzzle rotation.