assertEqualCharNodes(traverser.breadthFirst(charactersOf("bd")), "bdca");
    assertEqualCharNodes(traverser.breadthFirst(charactersOf("dc")), "dcab");
    assertEqualCharNodes(traverser.breadthFirst(charactersOf("bc")), "bcda");
  }

  @Test
  public void forGraph_breadthFirst_twoCycles() {
    Traverser<Character> traverser = Traverser.forGraph(TWO_CYCLES_GRAPH);

    assertEqualCharNodes(traverser.breadthFirst(charactersOf("bd")), "bdca");
    assertEqualCharNodes(traverser.breadthFirst(charactersOf("dc")), "dcab");
    assertEqualCharNodes(traverser.breadthFirst(charactersOf("bc")), "bcda");
  }

  @Test
  public void forGraph_breadthFirst_twoCycles() {
    Traverser<Character> traverser = Traverser.forGraph(TWO_CYCLES_GRAPH);

    // Two orphan low surrogates.
    assertEquals("\uDCAB", Strings.commonSuffix("\uDCAB", "\uDCAB"));
  }

  public void testValidSurrogatePairAt() {
    assertTrue(Strings.validSurrogatePairAt("\uD8AB\uDCAB", 0));
    assertTrue(Strings.validSurrogatePairAt("abc\uD8AB\uDCAB", 3));
    assertTrue(Strings.validSurrogatePairAt("abc\uD8AB\uDCABxyz", 3));

d,?xiw,??stad?xamay?y??v!.&a&lnos?ohhnah&k?t???c&a?ouhphnib?uhphniv??di?e&man?rtneb?uhneihtauht??g&n&a&boac?ig&ah?cab?n&a?ei&k?t???uah??nad?rtcos?uqneyut??o&dmal?hpiah?lhniv?nkad?ud&hnib?iah????ro??h&ni&b&aoh?gnauq?hnin?iaht??d&hnib?man??mihcohohphnaht?n&cab?gnauq?yat??tah?vart??tlaeh??i&a!bney?coal?gngnauq?laig?ngnod??onah?rtgnauq??kalkad?m&an&ah?gnauq??oc?utnok??n&a&ehgn?gnol?kcab?uhthni&b?n???e&ibneid?y&gnuh?u&gniaht?hp????osgnal??o&fni?ht&nac?uhp??i?rp??pahtgnod?t&en?ni??u&a&hcial?mac?tgnuv-...

  </mime-type>
  <mime-type type="application/onenote; format=package">
    <_comment>OneNote Package</_comment>
    <glob pattern="*.onepkg"/>
    <!-- Actually a CAB file of the other OneNote file formats! -->
    <sub-class-of type="application/vnd.ms-cab-compressed" />
  </mime-type>

  <mime-type type="application/parityfec"/>
  <mime-type type="application/patch-ops-error+xml">
    <glob pattern="*.xer"/>

2CA8          ; mapped                 ; 2CA9          # 4.1  COPTIC CAPITAL LETTER UA
2CA9          ; valid                                  # 4.1  COPTIC SMALL LETTER UA
2CAA          ; mapped                 ; 2CAB          # 4.1  COPTIC CAPITAL LETTER FI
2CAB          ; valid                                  # 4.1  COPTIC SMALL LETTER FI
2CAC          ; mapped                 ; 2CAD          # 4.1  COPTIC CAPITAL LETTER KHI

bø.telemark.no
bømlo.no
c.bg
c.cdn77.org
c.se
c66.me
ca
ca-central-1.elasticbeanstalk.com
ca.eu.org
ca.in
ca.it
ca.reclaim.cloud
ca.us
caa.aero
caa.li
cab
cable-modem.org
cafe
cafjs.com
cagliari.it
cahcesuolo.no
cal
cal.it
calabria.it
calculators.cx
call
caltanissetta.it
calvinklein
cam
cam.it
camau.vn

// https://www.iana.org/domains/root/db/buzz.html
buzz

// bzh : Association www.bzh
// https://www.iana.org/domains/root/db/bzh.html
bzh

// cab : Binky Moon, LLC
// https://www.iana.org/domains/root/db/cab.html
cab

// cafe : Binky Moon, LLC
// https://www.iana.org/domains/root/db/cafe.html
cafe

// cal : Charleston Road Registry Inc.

bø.telemark.no
bømlo.no
c.bg
c.cdn77.org
c.se
c66.me
ca
ca-central-1.elasticbeanstalk.com
ca.eu.org
ca.in
ca.it
ca.reclaim.cloud
ca.us
caa.aero
caa.li
cab
cable-modem.org
cafe
cafjs.com
cagliari.it
cahcesuolo.no
cal
cal.it
calabria.it
calculators.cx
call
caltanissetta.it
calvinklein
cam
cam.it
camau.vn

constant(K0-K63) blockloop: VLD1.P 16(R1), [V4.B16] // load 16bytes message VLD1.P 16(R1), [V5.B16] // load 16bytes message VLD1.P 16(R1), [V6.B16] // load 16bytes message VLD1.P 16(R1), [V7.B16] // load 16bytes message VMOV V0.B16, V2.B16 // backup: VO h(dcba) VMOV V1.B16, V3.B16 // backup: V1 h(hgfe) VMOV V2.B16, V8.B16 VREV32 V4.B16, V4.B16 // prepare for using message in Byte format VREV32 V5.B16, V5.B16 VREV32 V6.B16, V6.B16 VREV32 V7.B16, V7.B16 VADD V16.S4, V4.S4, V9.S4 // V18(W0+K0...W3+K3) SHA256SU0...