MOEA/D-DE, 1000 generations: 147 solutions, 147 feasible, IGD+ 0.0010, hypervolume 0.7699, 99.9% of the sample's
NSGA-II, 1000 generations: 241 solutions, 241 feasible, IGD+ 0.1603, hypervolume 0.5241, 68.0% of the sample's
the whole front: hypervolume 0.7711; a sample of 300 of its points: 0.7709
