Seven persons D, E, F, G, H, I and J, each of different weights, are arranged in decreasing order of their weights from left to right. The difference in the weight of any two adjacent persons in the arrangement is 3kg. G which weighs 24kg, is heavier than only two persons. I is lighter than G. E weighs 3kg more than
I. H is heavier than D which weighs more than F. H does not weigh more than 33kg. J weight is more than how many persons?