C221212321333132313223313223313132313132313231323131133132321111211   >>    C22121232133313231322331322331313231313231323132313113313232111121   <<    C221212321333132313223313223313132313132313231323131133132321111213   >>      C221212321333132313223313223313132313132313231323131133132321111212   >>