Algorithm Ronald F. Turner-Smith 1981
TB' TL TB TL TR TL TR' (7 ltm, 7* ftm)
Algorithm Walter Randelshofer 2016
TL' (TR TU' TR TU TR) TL (7 ltm, 7* ftm)
Algorithm Walter Randelshofer 2015
TR (TL TU TL TU' TL) TR' (7 ltm, 7* ftm)