ROUX
FB
SB
CMLL
LSE
EOLR
CMLL 42
R 2 [顺时针]
R'2 [逆时针]
r 2 [顺时针]
U 2 [右连拨]
U'2 [左连拨]
D ' [左无名]
(R U R' U') [整体]