Ecken parallel tauschen NS - Kanten wenden NO
moving corners parallel NS - flipping edges NE
U' L F' L' D' L' U' L'' U
a
F L'' U' L U L'' U
(17,20)
acube
L F' L' D' L' U' L'' U
a
F L'' U' L U L''
(17,20)
derived from acube