Serena Meng's Practice Book
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Practice #21
Started at February 22, 2026 11:03 AM GMT+8.
R' U' F L D' B U2 L F2 D F U' F2 D2 R2 F L2 B R2 D2 F' B' R2 F2 R' U' F
Solutions
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Serena Meng
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U' D L U' B' R' B2 R U2 R2 F R2 B2 L' B2 L2 D2 R D2 R2 D2 R' D2 R2 B2 L2 F2 U2 L2 D2
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