NSGA-III, 2000 generations: 92 solutions, none feasible, the least violation 0.5000
NSGA-III, unconstrained, 2000 generations: 92 solutions, 92 feasible, IGD+ 0.0227, hypervolume 0.7437, 99.2% of the sample's
the whole front: hypervolume 0.7971; a sample of 105 of its points: 0.7494
