C111123313121111121111331333133313331333133313331333133313331312113311211   >>    C11112331312111112111133133313331333133313331333133313331333131211331121   <<    C111123313121111121111331333133313331333133313331333133313331312113311213   >>      C111123313121111121111331333133313331333133313331333133313331312113311212   >>