C111123313121111121111331333133313331333133313331333133313331323321121   >>    C11112331312111112111133133313331333133313331333133313331333132332112   <<    C111123313121111121111331333133313331333133313331333133313331323321123   >>      C111123313121111121111331333133313331333133313331333133313331323321122   >>