C222133313331333131123313231333133313331333131123313232223311111   >>    C22213331333133313112331323133313331333133313112331323222331111   <<    C222133313331333131123313231333133313331333131123313232223311113   >>      C222133313331333131123313231333133313331333131123313232223311112   >>