C221212321333132313223313223313132313132313231323131133132313232233221   >>    C22121232133313231322331322331313231313231323132313113313231323223322   <<    C221212321333132313223313223313132313132313231323131133132313232233223   >>      C221212321333132313223313223313132313132313231323131133132313232233222   >>