C2122121212121133132213231313231323131323223313231322331323223322331   >>    C212212121212113313221323131323132313132322331323132233132322332233   <<    C2122121212121133132213231313231323131323223313231322331323223322333   >>      C2122121212121133132213231313231323131323223313231322331323223322332   >>