val ipv6_ab = Inet6Address.getByName("::ac")
  val ipv6_fc = Inet6Address.getByName("::fc")

  @Test fun prioritiseIpv6Example() {
    val result =
      reorderForHappyEyeballs(
        listOf(
          ipv4_10_0_0_6,
          ipv4_10_0_0_1,
          ipv4_10_0_0_4,
          ipv6_ab,
          ipv6_fc,
        ),
      )

    assertThat(result).isEqualTo(

farm.museum farmequipment.museum farmers farmers.museum farmstead.museum farsund.no fashion fashionstore.jp fast fastly-edge.com fastly-terrarium.com fastlylb.net faststacks.net fastvps-server.com fastvps.host fastvps.site fauske.no fbx-os.fr fbxos.fr fc.it fe.it fed.us federation.aero fedex fedje.no fedorainfracloud.org fedorapeople.org feedback feira.br fem.jp fentiger.mythic-beasts.com fermo.it ferrara.it ferrari ferrero feste-ip.net fet.no fetsund.no fg.it fh-muenster.io fh.se fhs.no fhsk.se fhv.se...

ci.it
cl.it
cn.it
co.it
como.it
cosenza.it
cr.it
cremona.it
crotone.it
cs.it
ct.it
cuneo.it
cz.it
dell-ogliastra.it
dellogliastra.it
en.it
enna.it
fc.it
fe.it
fermo.it
ferrara.it
fg.it
fi.it
firenze.it
florence.it
fm.it
foggia.it
forli-cesena.it
forlì-cesena.it
forlicesena.it
forlìcesena.it
fr.it