Recognition:

COLL 11

y2 (R U2 R' U2') L' (U R U' R') L

Alternate Algs:

• y2 R' U' R U' R2 D' R U2 R' D R2
• y2 R U2 R' U2 r' F R F' M'
• R' U' R U R' F R U R' U' R' F' R2

Setup: R2' F R U R U' R' F' R U' R' U R