As a connoisseur of fine wine I couldn't help but notice at the last tasting, that there were three tables that surrounded me, each holding 7 bottles of wine each. I also couldn't avoid noticing that 7 of those bottles were full, 7 were empty and 7 were only half full. Being the connoisseur that I am I noticed that each table held exactly the same out wine.
What was the placement of the bottles?
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