The building was square or rectangular and was up on some kind of legs maybe 15 to 20 feet off of the bottom of the lake I will describe the positions in reference to my right and left

Can you repeat this sentence, but add in punctuation?
The building was square or rectangular and was up on some kind of legs maybe 15 to 20 feet off of the bottom of the lake. I will describe the positions in reference to my right and left.