When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
You seem to be missing a digit. If this is the key method, there should be a shorter pause between the two digit code and a longer pause between the number sets. Check again.
Ok strange but let's see...the codes should be like morse code and have short pauses and long pauses. Can you determine the numbers based on the length of the pauses?