C221212321333132313223313223313132313132313231323131133132322112331   >>    C22121232133313231322331322331313231313231323132313113313232211233   <<    C221212321333132313223313223313132313132313231323131133132322112333   >>      C221212321333132313223313223313132313132313231323131133132322112332   >>