Difference between revisions of "COLL"

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'''COLL''' (an abbreviation for '''Corners of Last Layer''') is a method in the [[CxLL]] group that solves the [[Last Layer]] [[corner]]s in one [[algorithm]], while preserving the [[F2L]] and the orientation of the LL [[edge]]s. So, after the COLL step, only edge permutation (EPLL) is left.
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{{Substep Infobox
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|name=COLL
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|image=Visualcube_coll.png
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|proposers=[[Lars Petrus]]
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|variants=[[CLLEF]], [[OLLCP]]
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|anames=Steps 5+6 ([[Petrus method]])
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|year=
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|subgroup=
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|algs=42
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|moves=9.78 (Optimal [[HTM]])
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|purpose=<sup></sup>
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* [[Speedsolving]]
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|previous=[[LL:EO cube state]]
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|next=[[LL:EO+CO+CP cube state]]
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}}
  
COLL is not to be confused with [[CLL]], which is an abbreviation for exactly the same name. The difference is that CLL preserves the F2L but not the last layer edges orientation, so it leaves the LL edges scrambled and the next step would be full [[ELL]]. For some cases the CLL and the COLL are the same algorithm, but for other cases the CLL is much shorter. For CLL and COLL algorithms, see the page on [[CxLL Algorithms]].
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'''COLL''' (short for '''Corners of Last Layer''') is a 3x3x3 [[last layer]] [[substep]] in the [[CxLL]] group that solves (orients and permutes) the last layer corners while preserving the last layer edge orientation, leaving only edge permutation ([[EPLL]]). It is principally used as a last layer for [[ZZ]] (as it has a higher skip chance and is nicer for [[OH]] than [[OCLL]]/[[PLL]] when used with [[EPLL]]) or an [[add-on]] to [[Fridrich]], when the last layer edges are already oriented after F2L. COLL has 42 cases including mirrors (24 without). 2 of these are the adjacent and diagonal corner permutation.
  
One possible extension of COLL is [[ZBLL]]. This LL method solves the entire LL if the edges are already oriented, but it has almost 500 cases.
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COLL is not to be confused with [[CLL]], also short for "Corners of Last Layer." The difference is that CLL preserves the F2L but not the last layer edges orientation, so it leaves the LL edges scrambled and the next step would be full [[ELL]]. For some cases the CLL and the COLL are the same algorithm, but for other cases the CLL is much shorter. For CLL and COLL algorithms, see the page on [[CxLL Algorithms]].
  
===See also:===
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One possible extension of COLL is [[ZBLL]]. This LL method solves the entire LL if the edges are already oriented, but it has 493 cases. Another one is [[OLLCP]] which solves the corner permutation and [[OLL|orients the last layer]] with a total of 331 algorithms for all last layer cases.
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== See also ==
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* [https://www.speedsolving.com/wiki/index.php/Special:MediawikiAlgDB?mode=view&view=default&puzzle=3&group=COLL COLL Algorithms]
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* [[ZBLL]]
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* [[NMLL]]
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* [[CLLEF]]
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* [[CLL]], [[CLL algorithms (3x3x3)]]
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* [[CMLL]]
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* [[OLLCP]]
 
* [[CxLL Algorithms]]
 
* [[CxLL Algorithms]]
* [[CLL]]
 
* [[CMLL]]
 
* [[ZBLL]]
 
  
[[Category:Methods]]
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== External links ==
[[Category:3x3x3 Methods]]
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* [http://www.cubezone.be/coll.html COLL Algorithms] By Lars Vandenbergh
[[Category:Last Layer Methods]]
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* [http://www.stanford.edu/~leyanlo/ COLL Algorithms] By Leyan Lo
[[Category:Cubing abbreviations and acronyms]]
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* [http://www.cubewhiz.com/coll.html Bob Burton's COLL Page]
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* [http://jmbaum.110mb.com/coll.htm Jason Baum's COLL Page]
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* [http://cube.danrcohen.com/coll.html Dan Cohen's COLL Page]
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* [https://www.speedcubingtips.eu/coll-corners-of-last-layer/ Speedcubingtips.eu]
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[[Category:3x3x3 last layer methods]]
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[[Category:3x3x3 last layer substeps]]
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[[Category:Acronyms]]

Revision as of 05:52, 18 June 2019

COLL
Visualcube coll.png
Information
Proposer(s): Lars Petrus
Proposed:
Alt Names: Steps 5+6 (Petrus method)
Variants: CLLEF, OLLCP
Subgroup:
No. Algs: 42
Avg Moves: 9.78 (Optimal HTM)
Purpose(s):


COLL (short for Corners of Last Layer) is a 3x3x3 last layer substep in the CxLL group that solves (orients and permutes) the last layer corners while preserving the last layer edge orientation, leaving only edge permutation (EPLL). It is principally used as a last layer for ZZ (as it has a higher skip chance and is nicer for OH than OCLL/PLL when used with EPLL) or an add-on to Fridrich, when the last layer edges are already oriented after F2L. COLL has 42 cases including mirrors (24 without). 2 of these are the adjacent and diagonal corner permutation.

COLL is not to be confused with CLL, also short for "Corners of Last Layer." The difference is that CLL preserves the F2L but not the last layer edges orientation, so it leaves the LL edges scrambled and the next step would be full ELL. For some cases the CLL and the COLL are the same algorithm, but for other cases the CLL is much shorter. For CLL and COLL algorithms, see the page on CxLL Algorithms.

One possible extension of COLL is ZBLL. This LL method solves the entire LL if the edges are already oriented, but it has 493 cases. Another one is OLLCP which solves the corner permutation and orients the last layer with a total of 331 algorithms for all last layer cases.

See also

External links