C2122121212121133132213231313231323131323223313231322331323111133221   >>    C212212121212113313221323131323132313132322331323132233132311113322   <<    C2122121212121133132213231313231323131323223313231322331323111133223   >>      C2122121212121133132213231313231323131323223313231322331323111133222   >>