C111123313121111121111331333133313331333131322113121111331312132233121   >>    C11112331312111112111133133313331333133313132211312111133131213223312   <<    C111123313121111121111331333133313331333131322113121111331312132233123   >>      C111123313121111121111331333133313331333131322113121111331312132233122   >>