Optimal solution to COVRP instance A-39-6:
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Route = 3 12 38 37 31 14 25 35, Demand = 90, RLen = 126.340375
Route = 11 6 1 36 17 23 21, Demand = 86, RLen = 89.516392
Route = 15 13, Demand = 88, RLen = 13.903066
Route = 20 32 18 22 34 27 10 16, Demand = 96, RLen = 122.100400
Route = 24 26 5 29 28 9, Demand = 73, RLen = 73.844956
Route = 30 7 8 2 33 19 4, Demand = 93, RLen = 107.361243
Sum of route lengths = 533.066431
CAP = 100
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