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Generation #20
problem size = 100 -> 50
Heuristic #9, from m1):
objective = 20.00001, time = 0.2 s

problem size = 100 -> 100
Heuristic #9, from m1):
objective = 40.23755, time = 0.7 s

problem size = 100 -> 200
Heuristic #9, from m1):
objective = 57.40764, time = 2.7 s

