C111123313121111121111331333133313331323232133313331333133313121111331313223331   >>    C11112331312111112111133133313331333132323213331333133313331312111133131322333   <<    C111123313121111121111331333133313331323232133313331333133313121111331313223333   >>      C111123313121111121111331333133313331323232133313331333133313121111331313223332   >>