C222133313331333131123313231333133313331333131123313223313232112323131   >>    C22213331333133313112331323133313331333133313112331322331323211232313   <<    C222133313331333131123313231333133313331333131123313223313232112323133   >>      C222133313331333131123313231333133313331333131123313223313232112323132   >>