HstLinkCreator fails to a create a link with advanced sitemap configuration

Consider this site map:

/hst:myproject/hst:configurations/myproject/hst:sitemap
  /_default_:
    /_default_:
      /faq:
        /_any_:
          hst:relativecontentpath: faq/${1}/${2}/${3}
    /faq:
      /_any_:
        hst:relativecontentpath: faq/${1}/${2}

Then document /content/documents/myproject/faq/a/b/c maps back correctly based on the first branch in the site map.
Expected and actual relative URL: /site/a/b/faq/c

However for document /content/documents/myproject/faq/d/e, the mapping should be based on the second branch but it fails.
Expected relative URL: /site/d/faq/e
Actual: /site/pagenotfound

See attached archetype myproject on 14.5.0. Creating a link is done in code in MyListComponent.