NSGA-II  after 1000 generations: 100 solutions, IGD+ 0.1267 (scaled 0.0475), hypervolume 2.6979
         distance from the front 0.0953 to 0.0984, mean 0.0959
SMS-EMOA after 1000 generations: 100 solutions, IGD+ 0.0455 (scaled 0.0147), hypervolume 3.1623
         distance from the front 0.0062 to 0.1185, mean 0.0086
SMS-EMOA after 5000 generations: 100 solutions, IGD+ 0.0186 (scaled 0.0065), hypervolume 3.2508
         distance from the front 0.0061 to 0.0084, mean 0.0062
the whole front: hypervolume 3.3968
