/span> findPair
          <span class="hljs-comment">## if I get here it means I have not found a sum!</span>
          <span class="hljs-keyword">break</span> findInvalid  <span class="hljs-comment">## n is answer for part1</span>
        p.incl n
        p.excl d.popFirst
        d.addLast n
    <span class="hljs-comment">## part 2</span>
    <span class="hljs-keyword">var</span>
      nMin, nMax: <span class="hljs-built_in">int</span>
      cumSum = s[<span class="hljs-number">0</span>]
    <span class="