@Q:
  FOR v IN <span class="hljs-number">1.</span><span class="hljs-number">.3</span> INBOUND <span class="hljs-string">'circles/E'</span> GRAPH <span class="hljs-string">'traversalGraph'</span>
      RETURN v._key

@R
[
  <span class="hljs-string">"B"</span>,
  <span class="hljs-string">"A"</span>
]