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Generation #20
problem size = 100 -> 50
Heuristic #5, from m1):
objective = 20.00028, time = 0.5 s

problem size = 100 -> 100
Heuristic #5, from m1):
objective = 40.23735, time = 3.2 s

problem size = 100 -> 200
Heuristic #5, from m1):
objective = 57.40655, time = 13.1 s

