Lots of people agreed that there were 17 squares altogether;
  <br />
  3 small squares, <br />
  6 medium size squares and <br />
  8 large ones. <br />
  Simon (Tattingstone School) used shading to show where each
  square can be found - something like this ...... <br />
  <img width="505" height="595" src=
  "/content/00/10/penta2/Image1.gif" alt="image1" /><br />