===========================
Generation #20
problem size = 100 -> 50
Heuristic #5, from m1):
objective = 19.99346, time = 0.1 s

problem size = 100 -> 100
Heuristic #5, from m1):
objective = 40.23266, time = 0.2 s

problem size = 100 -> 200
Heuristic #5, from m1):
objective = 57.40218, time = 0.7 s

