The rules are pretty clear and the very same number of nights gets credited. This was very extensively discussed last year I dont know why thete is bitterness over this subject.
That being said if you got erroneous info from customer service you should push for resolution that would honor that statement - perhaps they can look up transcripts/tapes of your call.
I had the same situation last year, i had the (incorrect) info in writing from gold passport and they honored it. Plus i now know very well how counting works in new system.