-coresym">length</span> <span class="mdzsyn-symbol">s</span>))
  (<span class="mdzsyn-coresym">for</span> <span class="mdzsyn-symbol">k</span> <span class="mdzsyn-number">0</span> <span class="mdzsyn-symbol">len</span>
    (<span class="mdzsyn-coresym">put</span> <span class="mdzsyn-symbol">tab</span> (<span class="mdzsyn-symbol">s</span> <span class="mdzsyn-symbol">k</span>) <span class="mdzsyn-symbol">k</span>))
  (<span class="mdzsyn-coresym">for</span> <span class="mdzsyn-symbol">i</span> <span class="m