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