Difference between revisions of "2-Look PLL"

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* Step 2: '''Permutation of Edges'''. Uses 4 algorithms (3 excluding mirrors):
 
* Step 2: '''Permutation of Edges'''. Uses 4 algorithms (3 excluding mirrors):
*# clockwise 3-edge cycle ([[PLL#U Permutation : a|U-perm b]])
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*# clockwise 3-edge cycle ([[PLL#U Permutation : b|U-perm b]])
*# anticlockwise 3-edge cycle ([[PLL#U Permutation : b|U-perm a]])
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*# anticlockwise 3-edge cycle ([[PLL#U Permutation : a|U-perm a]])
 
*# opposite edges swap ([[PLL#H Permutation|H-Perm]])
 
*# opposite edges swap ([[PLL#H Permutation|H-Perm]])
 
*# adjacent edges swap ([[PLL#Z Permutation|Z-Perm]])
 
*# adjacent edges swap ([[PLL#Z Permutation|Z-Perm]])

Revision as of 03:00, 13 October 2017

This PLL system is used to permute the last layer after orientation. Of the 21 cases, only 6 are needed for 2-Look PLL (commonly abbreviated as 2LPLL). Permutation is broken into 2 steps: corner permutation (two cases), and edge permutation (four cases).

  • Step 2: Permutation of Edges. Uses 4 algorithms (3 excluding mirrors):
    1. clockwise 3-edge cycle (U-perm b)
    2. anticlockwise 3-edge cycle (U-perm a)
    3. opposite edges swap (H-Perm)
    4. adjacent edges swap (Z-Perm)

See also

External links