C221212321333132313223313223313132313132313231323131133132213111   >>    C22121232133313231322331322331313231313231323132313113313221311   <<    C221212321333132313223313223313132313132313231323131133132213113   >>      C221212321333132313223313223313132313132313231323131133132213112   >>