http://qs1969.pair.com?node_id=482000

```\$i{\$_}++ for (@a);
\$i{\$_}-- for (@b);

@c=grep { \$i{\$_} > 0 } keys @a;
@d=grep { \$i{\$_} < 0 } keys @b;
{"ft_lang_label":"__label__en","ft_lang_prob":0.77992946,"math_prob":0.70441717,"size":265,"snap":"2023-14-2023-23","text_gpt3_token_len":87,"char_repetition_ratio":0.13793103,"word_repetition_ratio":0.0,"special_character_ratio":0.36226416,"punctuation_ratio":0.11111111,"nsfw_num_words":0,"has_unicode_error":false,"math_prob_llama3":0.95915025,"pos_list":[0],"im_url_duplicate_count":[null],"WARC_HEADER":"{\"WARC-Type\":\"response\",\"WARC-Date\":\"2023-06-08T08:58:33Z\",\"WARC-Record-ID\":\"<urn:uuid:e0b0309d-4663-4723-93af-2703c647d150>\",\"Content-Length\":\"1708\",\"Content-Type\":\"application/http; msgtype=response\",\"WARC-Warcinfo-ID\":\"<urn:uuid:c20b774a-de31-4db2-af03-9fb0db034de2>\",\"WARC-Concurrent-To\":\"<urn:uuid:6d82577c-23a3-4e12-be18-42cc36b31258>\",\"WARC-IP-Address\":\"216.92.237.59\",\"WARC-Target-URI\":\"http://qs1969.pair.com/~perl2/?displaytype=print;node_id=482000\",\"WARC-Payload-Digest\":\"sha1:TY5AKMJ22LTIIABNITYYDZAZS2OKCWZZ\",\"WARC-Block-Digest\":\"sha1:UQTK44LUB357CP45L7NCTN7Q4VPCHR7N\",\"WARC-Identified-Payload-Type\":\"text/html\",\"warc_filename\":\"/cc_download/warc_2023/CC-MAIN-2023-23/CC-MAIN-2023-23_segments_1685224654606.93_warc_CC-MAIN-20230608071820-20230608101820-00605.warc.gz\"}"}