Xiwen Ruan's Practice Book
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Practice #99
Started at August 16, 2026 10:20 PM GMT+8.
R' U' F R2 D' U2 R2 B2 F2 U' B2 D2 U' L2 R2 B' D R2 U' L U2 R' U' F2 R' U' F
Solutions
Spoiler for Solutions. Click to see.
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