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Generation #20
problem size = 100 -> 50
Heuristic #6, from m1):
objective = 19.99980, time = 0.3 s

problem size = 100 -> 100
Heuristic #6, from m1):
objective = 40.23720, time = 1.6 s

problem size = 100 -> 200
Heuristic #6, from m1):
objective = 57.40650, time = 6.3 s

