Algorithm Walter Randelshofer 2019
B2 ((MD R2)2 F2 MD F2 MU' R2 MU R2 MD2) SF2
ML2 F' L' F ML F' SR' F ML F' R F' (26 btm, 37 ftm, 50 qtm)
Algorithm Per Kristen Fredlund 2019
L2 F2 (U ML' SU' MF2 WD MF' WD' MF2 D') F2
((MD' F2)2 R2 MD' R2 MU F2 MU' F2 MD2) L2 (25 btm, 38 ftm, 54 qtm)
Algorithm Per Kristen Fredlund 2023
L2 MD' F2 MD' F2 R2 MD' R2 MU F2
U ML' SU' MF2 WD MF' WD' MF2 D'
MU' F2 MD2 L2 (23 btm, 36 ftm, 50 qtm)