C221212321333132313223313223313132313132313231323131133132313331333133312112121   >>    C22121232133313231322331322331313231313231323132313113313231333133313331211212   <<    C221212321333132313223313223313132313132313231323131133132313331333133312112123   >>      C221212321333132313223313223313132313132313231323131133132313331333133312112122   >>