COLL
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(R' U' R U' R' U2' R2) (U R' U R U2' R')
y2 (R U R' U R U2' R2') (U' R U' R' U2' R)
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F (R U' R' U) (R U R' U) (R U' R') F'
y2 R' F2 R U2 (R U2' R') F2 (R U2' R')
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R' (F R U' R' U' R U R' F' R U R' U' R' F R F') R
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R2' D' (R U R') D R U R (U' R' U' R)
(R' U2' R) F U' (R' U' R U) F'
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y2 R2 D (R' U2 R) D' R' U2 R'
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R2' D' (R U2 R') D (R U2 R)