CLL - P4 — 2 × 2 CLL Algorithms

CLL - P4
(R U2 R' U' R U R') U2 (R' F R F')
y F' (R U R') U2 (R' F R) U' (R' F2 R)
(R U R' U') R' F (R2 U R' U') (R U R' U') F'
(R2 U' R' U') (F R2 U2) (F' R2 F)
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