Algorithms with notable periods Algorithm Period 1 R2 2 RLUDRLUD 3 R 4 LUL'U 5 RLUD 6 LUL'F 7 RUUL 8 RUBR 9 LUL'B 10 RLUD' 12 R'UL'D' 420 UR'UF'D2 1260