Algorithm Walter Randelshofer 2015
TL' TB TL' TU TR' TB' TL TB TU' TL' TU'
U R L' B' (15 ltm, 15* ftm)
Algorithm Walter Randelshofer 2015
TL' MB TL' TU MR' TB' ML TB MU' TL' TU' (11 ltm, 15* ftm)
Note
Inverse version.