3x3 · ZBLL
3x3 ZBLL U 10 algorithm
3x3 ZBLL U 10 algorithm: 19 turns, opening with y' R2 D'. Case recognition, the complete sequence, and practical execution notes.
Solve the entire last layer in one sequence when its edges are already oriented.
ZBLL U 10 belongs to the U1 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 L R; R: B B R; B: U F U; L: B R L. The letters identify colors by their reference faces.
Execute the algorithm
y' R2 D' R U' R' D R2 U R' U R U2 R' U R U2 R' U' R
The opening is y' R2 D'; the final segment is R' U' R. This version contains 19 face, wide, or slice turns and 1 whole-puzzle rotation.