C222133313331333131123313231333133313331333133313331333133313121111133223331   >>    C22213331333133313112331323133313331333133313331333133313331312111113322333   <<    C222133313331333131123313231333133313331333133313331333133313121111133223333   >>      C222133313331333131123313231333133313331333133313331333133313121111133223332   >>