I re read your post and was wondering how long did you veg for? If they are clones, then you must of veged for approx 4 weeks IMO, but your friend should of taken the strains characteristics into account and had you veg shorter. on a 4x4 table 16 plants is doable and 2 oz a plant should be obtainable and you should in theory be able to grow all of them in the 4x4, so next time veg for less time or go with 8 plants, but I imagine you are figuring this out by this time.
Adieu