TurnStile

Twin-rotor permutation puzzle
Scramble to begin 0 moves
R R′ S L A L′ C clear
Tip — drag either rotor to turn it, or tap the arrows on the board
ε
ε
Even Odd
Apply a move sequence
Conjugates — record a sequence α, then undo it with α⁻¹ nothing recorded
Move history
Moves will appear here.