COLL - S4 — COLL Algorithms

COLL - S4

(R U R' U') (R' F R F') (r U R' U) (R U2 r')

(r U R' U') (r' F R F') (R U R' U) (R U2 R')

y' (R U R' U) (R U' R D) (R' U' R D') R2

y' (F R' U2 R F') (R' F U2 F' R)

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