NSGA-II  after 1000 generations: 100 solutions (3, 22, 25, 24, 26, 0), IGD+ 0.0862, hypervolume 5.9148
SMS-EMOA after 1000 generations: 100 solutions (0, 17, 20, 23, 21, 16), IGD+ 0.0125, hypervolume 6.0716
SMS-EMOA after 5000 generations: 100 solutions (2, 16, 21, 22, 21, 18), IGD+ 0.0055, hypervolume 6.1172
the whole front: hypervolume 6.1511
