MOEA/D-DE, 1000 generations: 164 solutions, 164 feasible, IGD+ 0.0010, hypervolume 0.4681, 99.6% of the sample's
NSGA-II, 1000 generations: 218 solutions, 218 feasible, IGD+ 0.6811, hypervolume 0.0214, 4.5% of the sample's
the whole front: hypervolume 0.4706; a sample of 300 of its points: 0.4701
