CLL
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CLL, Corners of Last Layer, a method that solves the last layer corners in one algorithm.
CLL is not to be confused with COLL that is an abbrevation for exactly the same name but COLL does also preserve LL edge orientation, sometimes you will need longer algorithms for that.
There are two different sets of CLL, one that is used for corners first (the Waterman method) and the 2x2x2 cube and one that preserves the first two layers on the 3x3x3 cube. In the latter case the LL edges are solved after the CLL using ELL.
As a 2x2x2 Speedsolving Method
The first stage of CLL for the 2x2x2 consists of completely solving one layer of the cube (both orientation and permutation) as in the Layer-By-Layer method. Then, using one of 42 algorithms (2 of which are PLLs), you solve the remaining orientation and permutation of the last layer (thus giving a 1 Look Last Layer). The algorithms needed are given in the CxLL pages. This method is also named the Waterman method after the 1980's master cuber Marc Waterman from the Netherlands who was using it for his corners first method back then (the Waterman documentation).
The master of the two layer; Rowe Hessler uses this method and it is one of the most popular methods amoung the rest of the top namnes too. EG would be faster you may think but many does 2:3 EG and adds the permutation (R2 F2 R2) before the CLL if it is going to be a null pair first layer = EG 0 and if it is a EG 1 case you have to AUF both before and after the EG alg in 75% of the cases, that makes it slower than CLL (the last part, EG 2 is the same as CLL). It is only in the cases where there is a easy fist layer makeing a one look solve possible the EG has an advantage of CLL, it happens more often there because of the easier first layer. But on average it does not if you don't learn all cases well and practice more than a lot.
History
CLL was first officially used by Guus Razoux Schultz (WCA) during the WC 1982.
See Also
External Links
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