3^4
From Superliminal Wiki
Roice's Method
This method is the 4D version of the "ultimate solution for the rubik's cube's.
check it out here:[1]
Ray's method
This method is the 4D version of F2L, and if you know how to improve the last layer then e-mail plz You should know how to do Roice method before doing this. Summary 1. cross (on hidden cell) 2. f2l (2C/3C pairs) 3. s2l (3C/4C pairs) 4. foll 5. eoll 6. npll 7. coll 8. cpll