hljs-keyword">elif</span> left.len == n.lefts[i].len:
      <span class="hljs-keyword">assert</span> left[^<span class="hljs-number">1</span>] != n.lefts[i][^<span class="hljs-number">1</span>]
      <span class="hljs-keyword">var</span> count = <span class="hljs-number">0</span>
      <span class="hljs-keyword">for</span> j <span class="hljs-keyword">in</span> <span class="hljs-number">1</span> .. left.len:
        <span class="hljs-keyword">if</span> left[^j] != n.lefts[i][^j]:
          inc count
       