C221212321333132313223313223313132313132313231323131323233233311   >>    C22121232133313231322331322331313231313231323132313132323323331   <<    C221212321333132313223313223313132313132313231323131323233233313   >>      C221212321333132313223313223313132313132313231323131323233233312   >>