Goog, click on that link, print out the page and measure the perfs. carefully. Your options are pretty much limited to...
11 top x 10 sides
11 top and sides
10 top and sides
11 top 10.5 sides.
Some choices are much more likely than others. If you can give us the perfs, anyone on this forum can tell you what you have.
Here is another one, whichever you prefer.
http://webspace.webring.com/people/...oad/perf.pdf-IBFS