C2122121212121133132213231313231323131323223313231322331323131323112111   >>    C212212121212113313221323131323132313132322331323132233132313132311211   <<    C2122121212121133132213231313231323131323223313231322331323131323112113   >>      C2122121212121133132213231313231323131323223313231322331323131323112112   >>