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EPLL with parity (ZZ44)

Centres and the first three layers are solved. U is oriented and its corners are solved up to a U turn. Includes ordinary edge PLLs and edge permutations with parity. Permute paired edges, including PLL parity.

9 cases · 27 algorithms

No proven optimum for this set: the page gives the length of the shortest algorithm offered and a lower bound.

Definition of the set: Speedsolving wiki (ZZ44 Method).

How to read this page
  • Each case is seen from above: the top face in the middle, the top layer's stickers on its sides, the front face at the bottom.
  • Colours of the puzzle in the application. Grey marks what the case does not look at.
  • Lengths: each move counts 1, an inner slice 2, a rotation 0. The "setup" presents the puzzle as drawn and does not count.
  • In each case, the best available optimal algorithm comes first, then the others by increasing ease score. When no optimal writing is available, all algorithms are ranked by this score (lower is easier).
  • "Play" starts from a position of the case and runs the algorithm to the set’s goal. Usually, the starting position is obtained by running the algorithm backwards from the solved puzzle. For a partial goal, the player may start from a representative position of the case in the application; the puzzle is not necessarily fully solved at the end.

Case 1

At least 7 moves

5 algorithms

First algorithm: B2 U L' R B2 L R' U B2

Adjacent swap

At least 7 moves

2 algorithms

First algorithm: (U2) R U R' U' Rw2 F2 U2 2R2 U2 F2 Rw2 U R U' R'

Opposite swap

At least 7 moves

2 algorithms

First algorithm: (U) Rw2 F2 U2 2R2 U2 F2 Rw2

Case 4

At least 7 moves

5 algorithms

First algorithm: B2 U' L' R B2 L R' U' B2

W permutation

At least 7 moves

1 algorithm

First algorithm: U' R' U R' U' R' U' R' U R U' Uw2 2R2 Uw2 2R2 U2 Rw2

Case 6

At least 7 moves

5 algorithms

First algorithm: F2 R2 L2 B2 D F2 R2 L2 B2

Oa Permutation

At least 7 moves

1 algorithm

First algorithm: 2L2 3L2 U 2L2 3L2 U 2L' 3L' U2 2L2 U2 2R2 Uw2 2R2 2U2 2L' 3L'

Case 8

At least 7 moves

5 algorithms

First algorithm: B L' B' L R B' L' R B' L B R2

Ob Permutation

At least 7 moves

1 algorithm

First algorithm: 2L2 3L2 U' 2L2 3L2 U' 2L' 3L' U2 2L2 U2 2R2 Uw2 2R2 2U2 2L' 3L'

Algorithms