Here MS Word 2003 is correct:
On the same doc, LOW is not, putting 9 in place of 10:
No mention of this issue in:
My Migration from MS-Office to LibreOffice
My Migration from MS-Office to LibreOffice - The Document Foundation Wiki
but an allusion in:
Be aware that the conversion may not be perfect because the suites are not based on the same principles. You’ll have to check thoroughly the result. The main points to care for are tables and numbered paragraphs (outline or chapter headings, lists).
how do I convert a microsoft word doc to a libre doc
Version: 25.2.5.2 (X86_64) / LibreOffice Community
Build ID: 03d19516eb2e1dd5d4ccd751a0d6f35f35e08022
CPU threads: 4; OS: Windows 7 Service Pack 1 X86_64 (6.1 build 7601); UI render: Skia/Raster; VCL: win
Locale: en-GB (en_GB); UI: en-US
Calc: threaded