C221212321333132313223313223313132313132313231323131133132222221   >>    C22121232133313231322331322331313231313231323132313113313222222   <<    C221212321333132313223313223313132313132313231323131133132222223   >>      C221212321333132313223313223313132313132313231323131133132222222   >>