C111123313121111121111331333133313331322121111331333133313223331211   >>    C11112331312111112111133133313331333132212111133133313331322333121   <<    C111123313121111121111331333133313331322121111331333133313223331213   >>      C111123313121111121111331333133313331322121111331333133313223331212   >>