@Q:
RETURN SORTED_UNIQUE( [ <span class="hljs-number">8</span>,<span class="hljs-number">4</span>,<span class="hljs-number">2</span>,<span class="hljs-number">10</span>,<span class="hljs-number">6</span>,<span class="hljs-number">2</span>,<span class="hljs-number">8</span>,<span class="hljs-number">6</span>,<span class="hljs-number">4</span> ] )

@R
[
  [
    <span class="hljs-number">2</span>,
    <span class="hljs-number">4</span>,
    <span class="hljs-number">6</span>,
    <span class="hljs-number">8</span>,
    <span class="hljs-number">10</span>
  ]
]