C222123232321333131133133313331333132313231322221231211121112231   >>    C22212323232133313113313331333133313231323132222123121112111223   <<    C222123232321333131133133313331333132313231322221231211121112233   >>      C222123232321333131133133313331333132313231322221231211121112232   >>