https://data.hplt-project.org/one/monotext/ps/1.jsonl.zst
https://data.hplt-project.org/one/monotext/ps/2.jsonl.zst
https://data.hplt-project.org/one/monotext/ps/3.jsonl.zst
https://data.hplt-project.org/one/monotext/ps/4.jsonl.zst