C221212321333132313223313223313132313132313231323131323231323321   >>    C22121232133313231322331322331313231313231323132313132323132332   <<    C221212321333132313223313223313132313132313231323131323231323323   >>      C221212321333132313223313223313132313132313231323131323231323322   >>