帮我把这几个魔方PLL公式化简,就是不要x.y.z这些转向的.如题

问题描述:

帮我把这几个魔方PLL公式化简,就是不要x.y.z这些转向的.如题
1.z(U'RD')(R2UR'U'R2U)z'RU' 2.(R'UR'U')yx2(R'UR'U'R2)yx(R'U'RUR) 3.z(U'RD')(R2UR'U')z'(RUR')z(R2UR')z'(RU') 4.U('R'URU')R'2F'z(R'FRD)z'x(UR'U'R2)

1:L'U'LFL'U'LULF'L2ULU 2:R'UR'U'B'DB'D'B2R'B'RBR 3:L'UR'U2LU'L'RUR'U2LU'RU' 4:U'R'URU'R2F'U'FURFR'F'R2