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Generation #20
problem size = 100 -> 50
Heuristic #3, from m1):
objective = 20.00177, time = 8.8 s

problem size = 100 -> 100
Heuristic #3, from m1):
objective = 40.23791, time = 32.6 s

problem size = 100 -> 200
Heuristic #3, from m1):
objective = 57.40744, time = 112.8 s

