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????????http://www.kanzhexue.com/mofang/zhang1-yi4/mofang1.phpwww.ztno.com ??CFOP?????


F = front face ? B = back face R = right face
L = left face U = up face D = down face
???F?????90?F\'???90?R2?180????

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??????????(F)(B)(L)(R)(U)(D)

Front = ?
Back =
Left =
R...